{"id":17906,"date":"2026-07-18T10:37:32","date_gmt":"2026-07-18T01:37:32","guid":{"rendered":"https:\/\/genai-ai.co.jp\/ai-kanri\/?p=17906"},"modified":"2026-07-18T10:37:32","modified_gmt":"2026-07-18T01:37:32","slug":"cc-c-struct-pointer","status":"publish","type":"post","link":"https:\/\/genai-ai.co.jp\/ai-kanri\/blog\/cc-c-struct-pointer\/","title":{"rendered":"\u30102026\u5e747\u6708\u6700\u65b0\u3011C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u5b8c\u5168\u30ac\u30a4\u30c9\uff5ctypedef\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u30fb\u914d\u5217\u30fb\u95a2\u6570\u5f15\u6570\u307e\u3067\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n<style>\n.g-flow-row{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;align-items:center;}\n.g-flow-item{background:linear-gradient(135deg,#1a1a1a,#2a1015);color:#fff;border-radius:8px;padding:16px 14px;min-width:130px;flex:1;text-align:center;}\n.g-flow-arrow{color:#dc2626;font-size:20px;font-weight:700;}\n.g-card-row{display:flex;gap:12px;flex-wrap:wrap;margin:0 0 32px;}\n.g-card-row>div{flex:1;min-width:220px;}\n@media(max-width:600px){\n  .g-flow-row{flex-direction:column;}\n  .g-flow-arrow{transform:rotate(90deg);}\n  .g-card-row{flex-direction:column;}\n  .g-card-row>div{min-width:100%;}\n}\n<\/style>\n\n\n\n<div style=\"margin:0 0 32px;\">\n  <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/07\/thumb-cc-c-struct-pointer.jpg\" alt=\"\u30102026\u5e747\u6708\u6700\u65b0\u3011C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u5b8c\u5168\u30ac\u30a4\u30c9\uff5ctypedef\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u30fb\u914d\u5217\u30fb\u95a2\u6570\u5f15\u6570\u307e\u3067\u5fb9\u5e95\u89e3\u8aac\" style=\"width:100%;height:auto;border-radius:12px;display:block;\">\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-radius:12px;padding:24px 28px;margin:0 0 32px;border-left:4px solid #dc2626;\">\n  <p style=\"font-size:15px;font-weight:700;color:#1a1a1a;margin:0 0 16px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9<\/p>\n  <ol style=\"margin:0;padding-left:20px;font-size:14px;line-height:2.2;list-style:none;\">\n    <li><a href=\"#sec-01\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">01<\/span>\u69cb\u9020\u4f53\u3068\u306f\u2015\u2015\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3059\u308b\u4ed5\u7d44\u307f<\/a><\/li>\n    <li><a href=\"#sec-02\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">02<\/span>struct\u5ba3\u8a00\u3068typedef\u306e\u4f7f\u3044\u65b9<\/a><\/li>\n    <li><a href=\"#sec-03\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">03<\/span>\u30e1\u30f3\u30d0\u3078\u306e\u30a2\u30af\u30bb\u30b9\uff08\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff09\u3068\u521d\u671f\u5316<\/a><\/li>\n    <li><a href=\"#sec-04\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">04<\/span>\u69cb\u9020\u4f53\u30dd\u30a4\u30f3\u30bf\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08-&gt;\uff09<\/a><\/li>\n    <li><a href=\"#sec-05\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">05<\/span>\u69cb\u9020\u4f53\u306e\u914d\u5217\u2015\u2015\u8907\u6570\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u7ba1\u7406\u3059\u308b<\/a><\/li>\n    <li><a href=\"#sec-06\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">06<\/span>\u69cb\u9020\u4f53\u3092\u95a2\u6570\u306b\u6e21\u3059\uff08\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff09<\/a><\/li>\n    <li><a href=\"#sec-07\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">07<\/span>\u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc\u3068\u6bd4\u8f03\u306e\u6b63\u3057\u3044\u65b9\u6cd5<\/a><\/li>\n    <li><a href=\"#sec-08\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">08<\/span>Claude Code\u3067C\u8a00\u8a9e\u69cb\u9020\u4f53\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3059\u308b<\/a><\/li>\n    <li><a href=\"#faq\" style=\"color:#495057;text-decoration:none;\"><span style=\"color:#dc2626;font-weight:700;margin-right:8px;\">FAQ<\/span>\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\n  <\/ol>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u69cb\u9020\u4f53\u3063\u3066\u4f55\u304c\u4fbf\u5229\u306a\u306e\uff1f\u300d\u300c\u30dd\u30a4\u30f3\u30bf\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306e\u9055\u3044\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u300c\u95a2\u6570\u306b\u69cb\u9020\u4f53\u3092\u6e21\u3057\u305f\u3089\u5024\u304c\u5909\u308f\u3089\u306a\u304b\u3063\u305f\u300d\u2014\u2014C\u8a00\u8a9e\u3092\u5b66\u3076\u969b\u306b\u3088\u304f\u767a\u751f\u3059\u308b\u3064\u307e\u305a\u304d\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e<code>struct<\/code>\uff08\u69cb\u9020\u4f53\uff09\u306f\u3001\u8907\u6570\u306e\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u307e\u3068\u307e\u308a\u3068\u3057\u3066\u6271\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002\u4f8b\u3048\u3070\u300c\u540d\u524d\uff08\u6587\u5b57\u5217\uff09\u300d\u300c\u5e74\u9f62\uff08\u6574\u6570\uff09\u300d\u300c\u8eab\u9577\uff08\u5c0f\u6570\uff09\u300d\u3068\u3044\u3046\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u3092\u300c\u4eba\u7269\u300d\u3068\u3044\u30461\u3064\u306e\u69cb\u9020\u4f53\u3067\u7ba1\u7406\u3067\u304d\u307e\u3059\u3002\u5b9f\u969b\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u958b\u767a\u3067\u306f\u3001\u914d\u5217\u3060\u3051\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u3092\u6271\u3046\u5834\u9762\u3067\u5fc5\u305a\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u306b\u3064\u3044\u3066<strong>struct\u5ba3\u8a00\u30fbtypedef\u30fb\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u30fb\u914d\u5217\u30fb\u95a2\u6570\u3078\u306e\u6e21\u3057\u65b9\u30fb\u30b3\u30d4\u30fc\u3068\u6bd4\u8f03<\/strong>\u307e\u3067\u3001\u30b3\u30fc\u30c9\u30b5\u30f3\u30d7\u30eb\u4ed8\u304d\u3067\u4f53\u7cfb\u7684\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u69cb\u9020\u4f53\u306fC\u8a00\u8a9e\u306b\u304a\u3044\u3066\u300c\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u6307\u5411\u306e\u8d70\u308a\u300d\u3068\u3082\u8a00\u3048\u308b\u6a5f\u80fd\u3067\u3059\u3002\u73fe\u4ee3\u306eC\u8a00\u8a9e\u3067\u66f8\u304b\u308c\u308b\u30b7\u30b9\u30c6\u30e0\u30d7\u30ed\u30b0\u30e9\u30e0\u30fb\u7d44\u307f\u8fbc\u307f\u30fb\u30b2\u30fc\u30e0\u30a8\u30f3\u30b8\u30f3\u306e\u307b\u307c\u3059\u3079\u3066\u306b\u69cb\u9020\u4f53\u304c\u4f7f\u308f\u308c\u3066\u3044\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30bf\u3068\u7d44\u307f\u5408\u308f\u305b\u305f\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u306f\u7279\u306b\u91cd\u8981\u3067\u3001\u3053\u308c\u3092\u7406\u89e3\u3059\u308b\u3068\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u5b9f\u88c5\u304c\u4e00\u6c17\u306b\u697d\u306b\u306a\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u3053\u306e\u8a18\u4e8b\u3067\u306f\u5b9f\u969b\u306b\u52d5\u304f\u30b3\u30fc\u30c9\u3092\u591a\u6570\u63b2\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u300c\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u306e\u9055\u3044\u300d\u306f\u3001C\u8a00\u8a9e\u5b66\u7fd2\u306e\u6700\u5927\u306e\u96e3\u95a2\u306e\u3072\u3068\u3064\u3067\u3059\u3002\u30b3\u30fc\u30c9\u3092\u898b\u306a\u304c\u3089\u300c\u306a\u305c\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u304c\u5fc5\u8981\u306a\u306e\u304b\u300d\u3092\u5177\u4f53\u7684\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u69cb\u9020\u4f53\uff08struct\uff09\u306e\u57fa\u672c\u6982\u5ff5<\/strong>\u3068\u914d\u5217\u3068\u306e\u9055\u3044\u304c\u5206\u304b\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>typedef<\/strong>\u3092\u4f7f\u3063\u305f\u69cb\u9020\u4f53\u306e\u5ba3\u8a00\u65b9\u6cd5\u304c\u5206\u304b\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08.\uff09<\/strong>\u3067\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5\u304c\u5206\u304b\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30dd\u30a4\u30f3\u30bf\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08-&gt;\uff09<\/strong>\u306e\u4f7f\u3044\u65b9\u304c\u7406\u89e3\u3067\u304d\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u69cb\u9020\u4f53\u306e\u914d\u5217<\/strong>\u3067\u8907\u6570\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u65b9\u6cd5\u304c\u5206\u304b\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057<\/strong>\u306e\u9055\u3044\u3068\u9069\u5207\u306a\u4f7f\u3044\u5206\u3051\u304c\u5206\u304b\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Claude Code<\/strong>\u3067C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3059\u308b\u65b9\u6cd5\u304c\u5206\u304b\u308b<\/span><\/div>\n\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-01\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">01<\/span>\n  <span class=\"section-label\" style=\"display:block;\">STRUCT BASICS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u9020\u4f53\u3068\u306f\u2015\u2015\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u3092\u3072\u3068\u307e\u3068\u3081\u306b\u3059\u308b\u4ed5\u7d44\u307f<\/span>\n  <span class=\"section-desc\">\u914d\u5217\u3068\u306e\u9055\u3044\u3068\u69cb\u9020\u4f53\u304c\u5fc5\u8981\u306b\u306a\u308b\u5834\u9762\u3092\u7406\u89e3\u3059\u308b<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e<strong>\u69cb\u9020\u4f53\uff08structure\uff09<\/strong>\u306f\u3001<strong>\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u307e\u3068\u307e\u308a\u3068\u3057\u3066\u7ba1\u7406\u3059\u308b<\/strong>\u4ed5\u7d44\u307f\u3067\u3059\u3002\u914d\u5217\u304c\u300c\u540c\u3058\u578b\u306e\u30c7\u30fc\u30bf\u3092\u8907\u6570\u683c\u7d0d\u3067\u304d\u308b\u300d\u306e\u306b\u5bfe\u3057\u3001\u69cb\u9020\u4f53\u306f\u300c\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u3067\u304d\u308b\u300d\u70b9\u304c\u5927\u304d\u306a\u9055\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u69cb\u9020\u4f53\uff08struct\uff09<\/strong>\uff1aC\u8a00\u8a9e\u3067int\u578b\u30fbchar\u578b\u30fbfloat\u578b\u306a\u3069\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u307e\u3068\u307e\u308a\uff08\u578b\uff09\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u6a5f\u80fd\u3002\u4f8b\u3048\u3070\u300c\u540d\u524d(char)\u30fb\u5e74\u9f62(int)\u30fb\u8eab\u9577(float)\u300d\u3092\u6301\u3064\u300cPerson\u578b\u300d\u3092\u4f5c\u308c\u307e\u3059\u3002struct\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u5ba3\u8a00\u3057\u3001\u30e1\u30f3\u30d0\u3068\u547c\u3070\u308c\u308b\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u500b\u5225\u306b\u30a2\u30af\u30bb\u30b9\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u6bd4\u8f03\u9805\u76ee<\/th><th>\u914d\u5217\uff08array\uff09<\/th><th>\u69cb\u9020\u4f53\uff08struct\uff09<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u683c\u7d0d\u3059\u308b\u578b<\/td><td>\u5168\u8981\u7d20\u304c\u540c\u3058\u578b<\/td><td>\u7570\u306a\u308b\u578b\u304c\u6df7\u5728\u53ef\u80fd<\/td><\/tr>\n<tr><td>\u8981\u7d20\u306e\u8b58\u5225<\/td><td>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff08\u6570\u5b57\uff09\u3067\u30a2\u30af\u30bb\u30b9<\/td><td>\u30e1\u30f3\u30d0\u540d\uff08\u540d\u524d\uff09\u3067\u30a2\u30af\u30bb\u30b9<\/td><\/tr>\n<tr><td>\u4e3b\u306a\u7528\u9014<\/td><td>\u540c\u3058\u7a2e\u985e\u306e\u30c7\u30fc\u30bf\u3092\u5927\u91cf\u306b<\/td><td>\u5c5e\u6027\u306e\u7570\u306a\u308b\u3072\u3068\u307e\u3068\u307e\u308a\u306e\u30c7\u30fc\u30bf<\/td><\/tr>\n<tr><td>\u4f8b<\/td><td>int scores[5] (5\u4eba\u5206\u306e\u70b9\u6570)<\/td><td>Person\u578b\uff08\u540d\u524d\u30fb\u5e74\u9f62\u30fb\u70b9\u6570\uff09<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u7684\u306a\u4f8b\u3092\u898b\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u5b66\u751f\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u4f5c\u308b\u5834\u5408\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#6c7086;\">\/* \u914d\u5217\u3060\u3051\u3067\u7ba1\u7406\u3057\u3088\u3046\u3068\u3057\u305f\u5834\u5408\uff08\u578b\u304c\u6df7\u5728\u3067\u304d\u306a\u3044\uff09 *\/<\/span>\n<span style=\"color:#cba6f7;\">char<\/span>  names[<span style=\"color:#fab387;\">3<\/span>][<span style=\"color:#fab387;\">20<\/span>];   <span style=\"color:#6c7086;\">\/\/ \u540d\u524d\uff08\u6587\u5b57\u5217\uff09<\/span>\n<span style=\"color:#cba6f7;\">int<\/span>   ages[<span style=\"color:#fab387;\">3<\/span>];        <span style=\"color:#6c7086;\">\/\/ \u5e74\u9f62\uff08\u6574\u6570\uff09<\/span>\n<span style=\"color:#cba6f7;\">float<\/span> scores[<span style=\"color:#fab387;\">3<\/span>];      <span style=\"color:#6c7086;\">\/\/ \u70b9\u6570\uff08\u5c0f\u6570\uff09<\/span>\n<span style=\"color:#6c7086;\">\/* \u2192 3\u7a2e\u985e\u306e\u914d\u5217\u3092\u30d0\u30e9\u30d0\u30e9\u306b\u7ba1\u7406\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044 *\/<\/span>\n\n<span style=\"color:#6c7086;\">\/* \u69cb\u9020\u4f53\u3067\u7ba1\u7406\u3057\u305f\u5834\u5408\uff081\u3064\u306e\u578b\u3067\u307e\u3068\u3081\u3089\u308c\u308b\uff09 *\/<\/span>\n<span style=\"color:#cba6f7;\">struct<\/span> Student {\n    <span style=\"color:#cba6f7;\">char<\/span>  name[<span style=\"color:#fab387;\">20<\/span>];\n    <span style=\"color:#cba6f7;\">int<\/span>   age;\n    <span style=\"color:#cba6f7;\">float<\/span> score;\n};\n<span style=\"color:#cba6f7;\">struct<\/span> Student students[<span style=\"color:#fab387;\">3<\/span>];  <span style=\"color:#6c7086;\">\/\/ 3\u4eba\u5206\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306e\u578b\u3067<\/span>\n<\/div>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u69cb\u9020\u4f53\u304c\u5fc5\u8981\u306b\u306a\u308b\u5178\u578b\u7684\u306a\u5834\u9762<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u2460\u8907\u6570\u306e\u5c5e\u6027\u3092\u6301\u3064\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3057\u305f\u3044\uff08\u793e\u54e1\u30fb\u5546\u54c1\u30fb\u30b2\u30fc\u30e0\u30ad\u30e3\u30e9\u30af\u30bf\u30fc\uff09\u2461\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u95a2\u6570\u306b\u6e21\u3057\u305f\u3044\u2462\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u30fb\u30c4\u30ea\u30fc\u306a\u3069\u306e\u30c7\u30fc\u30bf\u69cb\u9020\u3092\u5b9f\u88c5\u3057\u305f\u3044\u2014\u2014\u3053\u308c\u3089\u306e\u5834\u9762\u304c\u69cb\u9020\u4f53\u306e\u51fa\u756a\u3067\u3059\u3002C\u8a00\u8a9e\u3067\u306fclass\u304c\u4f7f\u3048\u306a\u3044\u305f\u3081\u3001\u300c\u30af\u30e9\u30b9\u306e\u4ee3\u308f\u308a\u300d\u3068\u3057\u3066\u69cb\u9020\u4f53\u3092\u6d3b\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-02\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">02<\/span>\n  <span class=\"section-label\" style=\"display:block;\">STRUCT DECLARATION<\/span>\n  <span class=\"section-title\" style=\"display:block;\">struct\u5ba3\u8a00\u3068typedef\u306e\u4f7f\u3044\u65b9<\/span>\n  <span class=\"section-desc\">2\u3064\u306e\u5ba3\u8a00\u30b9\u30bf\u30a4\u30eb\u3068\u4f7f\u3044\u5206\u3051\u306e\u30dd\u30a4\u30f3\u30c8<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u3092\u4f7f\u3046\u306b\u306f\u3001\u307e\u305a<strong>struct\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u69cb\u9020\u4f53\u578b\u3092\u5b9a\u7fa9\uff08\u5ba3\u8a00\uff09<\/strong>\u3057\u307e\u3059\u3002C\u8a00\u8a9e\u3067\u306f2\u3064\u306e\u30b9\u30bf\u30a4\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<strong>struct\u540d\u524d {...}\u5f62\u5f0f<\/strong>\u3068\u3001<strong>typedef\u3092\u4f7f\u3063\u305f\u30a8\u30a4\u30ea\u30a2\u30b9\u5f62\u5f0f<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2-1. \u57fa\u672c\u306estruct\u5ba3\u8a00<\/h3>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#6c7086;\">\/* struct\u5ba3\u8a00\u306e\u57fa\u672c\u5f62\u5f0f *\/<\/span>\n<span style=\"color:#cba6f7;\">struct<\/span> Person {\n    <span style=\"color:#cba6f7;\">char<\/span>  name[<span style=\"color:#fab387;\">50<\/span>];   <span style=\"color:#6c7086;\">\/* \u540d\u524d\uff08\u6700\u592749\u6587\u5b57\uff09*\/<\/span>\n    <span style=\"color:#cba6f7;\">int<\/span>   age;        <span style=\"color:#6c7086;\">\/* \u5e74\u9f62 *\/<\/span>\n    <span style=\"color:#cba6f7;\">float<\/span> height;     <span style=\"color:#6c7086;\">\/* \u8eab\u9577\uff08cm\uff09*\/<\/span>\n};\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    <span style=\"color:#6c7086;\">\/* \u5909\u6570\u5ba3\u8a00\u306b\u306f\u300cstruct Person\u300d\u3068\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308b *\/<\/span>\n    <span style=\"color:#cba6f7;\">struct<\/span> Person p1;\n    <span style=\"color:#cba6f7;\">struct<\/span> Person p2;\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">2-2. typedef\u3092\u4f7f\u3063\u305f\u30b9\u30bf\u30a4\u30eb\uff08\u63a8\u5968\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>typedef<\/code>\u3092\u4f7f\u3046\u3068\u3001<code>struct Person<\/code>\u3092\u5358\u306b<code>Person<\/code>\u3068\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u304c\u8aad\u307f\u3084\u3059\u304f\u306a\u308b\u305f\u3081\u3001\u5b9f\u52d9\u3067\u306f<strong>typedef\u3092\u4f7f\u3063\u305f\u30b9\u30bf\u30a4\u30eb\u304c\u4e00\u822c\u7684<\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#6c7086;\">\/* typedef\u3067\u578b\u540d\u306e\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u5b9a\u7fa9 *\/<\/span>\n<span style=\"color:#cba6f7;\">typedef struct<\/span> {\n    <span style=\"color:#cba6f7;\">char<\/span>  name[<span style=\"color:#fab387;\">50<\/span>];\n    <span style=\"color:#cba6f7;\">int<\/span>   age;\n    <span style=\"color:#cba6f7;\">float<\/span> height;\n} Person;  <span style=\"color:#6c7086;\">\/* \u2190 \u672b\u5c3e\u306b\u578b\u540d\u3092\u66f8\u304f *\/<\/span>\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    <span style=\"color:#6c7086;\">\/* \"struct\"\u3092\u7701\u7565\u3057\u3066\u5ba3\u8a00\u3067\u304d\u308b *\/<\/span>\n    Person p1;\n    Person p2;\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>typedef\uff08\u30bf\u30a4\u30d7\u30c7\u30d5\uff09<\/strong>\uff1a\u65e2\u5b58\u306e\u578b\u306b\u5225\u540d\uff08\u30a8\u30a4\u30ea\u30a2\u30b9\uff09\u3092\u4ed8\u3051\u308bC\u8a00\u8a9e\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u3002\u300ctypedef \u65e2\u5b58\u306e\u578b\u540d \u65b0\u3057\u3044\u578b\u540d;\u300d\u306e\u5f62\u3067\u4f7f\u3044\u307e\u3059\u3002struct\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u300cstruct Person\u300d\u3092\u300cPerson\u300d\u3060\u3051\u3067\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u5411\u4e0a\u3068\u30bf\u30a4\u30d4\u30f3\u30b0\u91cf\u524a\u6e1b\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n\n<table>\n<thead><tr><th>\u30b9\u30bf\u30a4\u30eb<\/th><th>\u5909\u6570\u5ba3\u8a00\u65b9\u6cd5<\/th><th>\u7279\u5fb4<\/th><th>\u63a8\u5968\u5834\u9762<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>struct\u5ba3\u8a00<\/td><td>struct Person p;<\/td><td>struct\u540d\u304c\u660e\u793a\u7684\u306b\u5206\u304b\u308b<\/td><td>C89\u4ee5\u524d\u30fb\u5c0f\u898f\u6a21\u30b3\u30fc\u30c9<\/td><\/tr>\n<tr><td>typedef\u4f7f\u7528<\/td><td>Person p;<\/td><td>\u77ed\u304f\u8aad\u307f\u3084\u3059\u3044<\/td><td>C99\u4ee5\u964d\u30fb\u5b9f\u52d9\u958b\u767a\uff08\u63a8\u5968\uff09<\/td><\/tr>\n<tr><td>typedef+struct\u540d<\/td><td>Person p;\uff08struct Person\u3082\u4f7f\u7528\u53ef\uff09<\/td><td>\u4e21\u65b9\u4f7f\u3048\u308b\u67d4\u8edf\u6027<\/td><td>\u518d\u5e30\u7684\u306a\u69cb\u9020\u4f53\u304c\u5fc5\u8981\u306a\u6642<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\"><span style=\"font-size:20px;\">&#9888;&#65039;<\/span><strong style=\"color:#dc2626;font-size:16px;\">typedef\u3068\u69cb\u9020\u4f53\u540d\u3092\u540c\u3058\u306b\u3057\u3066\u306f\u3044\u3051\u306a\u3044\u5834\u9762<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u518d\u5e30\u7684\u306a\u69cb\u9020\u4f53\uff08\u81ea\u5206\u81ea\u8eab\u3092\u6307\u3059\u30dd\u30a4\u30f3\u30bf\u3092\u6301\u3064\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306a\u3069\uff09\u3067\u306f\u3001typedef\u5b9a\u7fa9\u304c\u5b8c\u4e86\u3059\u308b\u524d\u306b\u578b\u540d\u3092\u4f7f\u3046\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u306f\u300ctypedef struct Node { struct Node *next; } Node;\u300d\u306e\u3088\u3046\u306btag\u540d\uff08struct Node\uff09\u3068typedef\u540d\uff08Node\uff09\u306e\u4e21\u65b9\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-03\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">03<\/span>\n  <span class=\"section-label\" style=\"display:block;\">DOT OPERATOR<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u30e1\u30f3\u30d0\u3078\u306e\u30a2\u30af\u30bb\u30b9\uff08\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff09\u3068\u521d\u671f\u5316<\/span>\n  <span class=\"section-desc\">\u69cb\u9020\u4f53\u5909\u6570\u306e\u30e1\u30f3\u30d0\u3092\u8aad\u307f\u66f8\u304d\u3059\u308b\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u3092\u5ba3\u8a00\u3057\u305f\u5f8c\u306f\u3001<strong>\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08.\uff09\u3092\u4f7f\u3063\u3066\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9<\/strong>\u3057\u307e\u3059\u3002\u300c\u69cb\u9020\u4f53\u5909\u6570\u540d.\u30e1\u30f3\u30d0\u540d\u300d\u306e\u5f62\u5f0f\u3067\u5024\u3092\u8aad\u307f\u66f8\u304d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;stdio.h&gt;<\/span>\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;string.h&gt;<\/span>\n\n<span style=\"color:#cba6f7;\">typedef struct<\/span> {\n    <span style=\"color:#cba6f7;\">char<\/span>  name[<span style=\"color:#fab387;\">50<\/span>];\n    <span style=\"color:#cba6f7;\">int<\/span>   age;\n    <span style=\"color:#cba6f7;\">float<\/span> height;\n} Person;\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    Person p;\n\n    <span style=\"color:#6c7086;\">\/* \u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3067\u30e1\u30f3\u30d0\u306b\u5024\u3092\u4ee3\u5165 *\/<\/span>\n    <span style=\"color:#89b4fa;\">strcpy<\/span>(p.name, <span style=\"color:#a6e3a1;\">\"\u83c5\u6fa4\u5b5d\u5e73\"<\/span>);\n    p.age    = <span style=\"color:#fab387;\">24<\/span>;\n    p.height = <span style=\"color:#fab387;\">175.5f<\/span>;\n\n    <span style=\"color:#6c7086;\">\/* \u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3067\u30e1\u30f3\u30d0\u3092\u8aad\u307f\u53d6\u308b *\/<\/span>\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u540d\u524d: %s\\n\"<\/span>, p.name);\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u5e74\u9f62: %d\\n\"<\/span>, p.age);\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u8eab\u9577: %.1f cm\\n\"<\/span>, p.height);\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">3-2. \u5ba3\u8a00\u6642\u306b\u4e00\u62ec\u521d\u671f\u5316\u3059\u308b<\/h3>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#6c7086;\">\/* \u5ba3\u8a00\u3068\u540c\u6642\u306b\u521d\u671f\u5316\uff08C\u8a00\u8a9e\u306e\u6307\u793a\u5b50\u521d\u671f\u5316\uff1aC99\u4ee5\u964d\uff09 *\/<\/span>\nPerson p1 = {\n    .name   = <span style=\"color:#a6e3a1;\">\"\u5c71\u5d0e\"<\/span>,\n    .age    = <span style=\"color:#fab387;\">30<\/span>,\n    .height = <span style=\"color:#fab387;\">168.0f<\/span>\n};\n\n<span style=\"color:#6c7086;\">\/* \u65e7\u6765\u306e\u9806\u5e8f\u6307\u5b9a\u521d\u671f\u5316\uff08C89\uff09 *\/<\/span>\nPerson p2 = {<span style=\"color:#a6e3a1;\">\"\u7530\u4e2d\"<\/span>, <span style=\"color:#fab387;\">25<\/span>, <span style=\"color:#fab387;\">172.0f<\/span>};\n\n<span style=\"color:#6c7086;\">\/* \u30bc\u30ed\u521d\u671f\u5316\uff08\u5168\u30e1\u30f3\u30d0\u30920\/NULL\/0.0\u306b\uff09 *\/<\/span>\nPerson p3 = {<span style=\"color:#fab387;\">0<\/span>};\n<span style=\"color:#6c7086;\">\/* \u307e\u305f\u306f memset \u3067\u521d\u671f\u5316 *\/<\/span>\n<span style=\"color:#89b4fa;\">memset<\/span>(&p3, <span style=\"color:#fab387;\">0<\/span>, <span style=\"color:#cba6f7;\">sizeof<\/span>(Person));\n<\/div>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u6587\u5b57\u5217\u30e1\u30f3\u30d0\u3078\u306e\u4ee3\u5165\u306fstrcpy\u3092\u4f7f\u3046<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">char\u914d\u5217\u30e1\u30f3\u30d0\u306b\u6587\u5b57\u5217\u3092\u4ee3\u5165\u3059\u308b\u3068\u304d\u3001\u300cp.name = \"\u5c71\u7530\";\u300d\u306e\u3088\u3046\u306b\u76f4\u63a5\u4ee3\u5165\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u300cstrcpy(p.name, \"\u5c71\u7530\");\u300d\u3092\u4f7f\u3044\u307e\u3059\u3002\u5ba3\u8a00\u6642\u306e\u521d\u671f\u5316\uff08= {...}\uff09\u3067\u306f\u76f4\u63a5\u6587\u5b57\u5217\u30ea\u30c6\u30e9\u30eb\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u304c\u3001\u5f8c\u304b\u3089\u306e\u4ee3\u5165\u306fstrcpy\uff08\u307e\u305f\u306fsnprintf\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-04\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">04<\/span>\n  <span class=\"section-label\" style=\"display:block;\">POINTER & ARROW<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u9020\u4f53\u30dd\u30a4\u30f3\u30bf\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08->\uff09<\/span>\n  <span class=\"section-desc\">\u30dd\u30a4\u30f3\u30bf\u7d4c\u7531\u3067\u69cb\u9020\u4f53\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u65b9\u6cd5<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e\u5b66\u7fd2\u3067\u3064\u307e\u305a\u304d\u3084\u3059\u3044\u306e\u304c\u300c\u69cb\u9020\u4f53\u30dd\u30a4\u30f3\u30bf\u300d\u3068\u300c\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08<code>-&gt;<\/code>\uff09\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3059\u3002\u69cb\u9020\u4f53\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3046\u3068\u304d\u3001\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08<code>.<\/code>\uff09\u306e\u4ee3\u308f\u308a\u306b<strong>\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08<code>-&gt;<\/code>\uff09<\/strong>\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08->\uff09<\/strong>\uff1a\u69cb\u9020\u4f53\u3078\u306e\u30dd\u30a4\u30f3\u30bf\u304b\u3089\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u6f14\u7b97\u5b50\u3002\u300c(*ptr).member\u300d\u3068\u66f8\u304f\u4ee3\u308f\u308a\u306b\u300cptr->member\u300d\u3068\u66f8\u3051\u308b\u7701\u7565\u8a18\u6cd5\u3067\u3059\u3002\u30de\u30a4\u30ca\u30b9\u8a18\u53f7\u3068\u3088\u308a\u5927\u306a\u308a\u8a18\u53f7\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u300c\u77e2\u5370\uff08->\uff09\u300d\u306b\u898b\u3048\u308b\u3053\u3068\u304b\u3089\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3068\u547c\u3070\u308c\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;stdio.h&gt;<\/span>\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;string.h&gt;<\/span>\n\n<span style=\"color:#cba6f7;\">typedef struct<\/span> {\n    <span style=\"color:#cba6f7;\">char<\/span> name[<span style=\"color:#fab387;\">50<\/span>];\n    <span style=\"color:#cba6f7;\">int<\/span>  age;\n} Person;\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    Person  p   = {<span style=\"color:#a6e3a1;\">\"\u5c71\u5d0e\"<\/span>, <span style=\"color:#fab387;\">30<\/span>};\n    Person *ptr = &p;   <span style=\"color:#6c7086;\">\/* p\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u30dd\u30a4\u30f3\u30bf\u306b\u683c\u7d0d *\/<\/span>\n\n    <span style=\"color:#6c7086;\">\/* \u65b9\u6cd51: (*ptr).member\uff08\u30c7\u30ea\u30d5\u30a1\u30ec\u30f3\u30b9\uff0b\u30c9\u30c3\u30c8\uff09 *\/<\/span>\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"%s\\n\"<\/span>, (*ptr).name);\n\n    <span style=\"color:#6c7086;\">\/* \u65b9\u6cd52: ptr->member\uff08\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff09\u2190 \u3053\u3061\u3089\u304c\u4e00\u822c\u7684 *\/<\/span>\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"%s\\n\"<\/span>, ptr->name);\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"%d\\n\"<\/span>, ptr->age);\n\n    <span style=\"color:#6c7086;\">\/* \u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3067\u5024\u3092\u5909\u66f4\u3059\u308b *\/<\/span>\n    ptr->age = <span style=\"color:#fab387;\">31<\/span>;\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u66f4\u65b0\u5f8c: %d\\n\"<\/span>, p.age);  <span style=\"color:#6c7086;\">\/* p.age\u308231\u306b\u5909\u308f\u308b *\/<\/span>\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<div class=\"g-flow-row\" style=\"margin:24px 0;\">\n  <div class=\"g-flow-item\"><strong>\u5909\u6570 p<\/strong><br><span style=\"font-size:12px;\">Person\u578b\u306e\u30c7\u30fc\u30bf\u304c<br>\u30e1\u30e2\u30ea\u306b\u78ba\u4fdd<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u30dd\u30a4\u30f3\u30bf ptr<\/strong><br><span style=\"font-size:12px;\">&p\u3067p\u306e\u30a2\u30c9\u30ec\u30b9\u3092<br>\u683c\u7d0d<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>ptr->name<\/strong><br><span style=\"font-size:12px;\">p\u306ename\u30e1\u30f3\u30d0\u306b<br>\u76f4\u63a5\u30a2\u30af\u30bb\u30b9<\/span><\/div>  <div class=\"g-flow-arrow\">&#8594;<\/div>  <div class=\"g-flow-item\"><strong>\u5024\u306e\u8aad\u307f\u66f8\u304d<\/strong><br><span style=\"font-size:12px;\">\u5143\u306e\u5909\u6570p\u3082<br>\u540c\u6642\u306b\u5909\u5316<\/span><\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">4-2. malloc\u3067\u52d5\u7684\u306b\u69cb\u9020\u4f53\u3092\u751f\u6210\u3059\u308b\u5834\u5408<\/h3>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;stdlib.h&gt;<\/span>\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>sizeof\u6f14\u7b97\u5b50<\/strong>\uff1a\u5909\u6570\u3084\u578b\u306e\u30e1\u30e2\u30ea\u30b5\u30a4\u30ba\uff08\u30d0\u30a4\u30c8\u6570\uff09\u3092\u8fd4\u3059C\u8a00\u8a9e\u306e\u6f14\u7b97\u5b50\u3002\u300csizeof(Person)\u300d\u3068\u3059\u308b\u3068\u69cb\u9020\u4f53Person\u306e\u30d0\u30a4\u30c8\u30b5\u30a4\u30ba\u304c\u5f97\u3089\u308c\u307e\u3059\u3002malloc\u3067\u52d5\u7684\u30e1\u30e2\u30ea\u3092\u78ba\u4fdd\u3059\u308b\u3068\u304d\u3084\u3001\u69cb\u9020\u4f53\u306e\u30b5\u30a4\u30ba\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u306b\u5fc5\u305a\u4f7f\u3044\u307e\u3059\u3002int\u578b\u306f\u901a\u5e384\u30d0\u30a4\u30c8\u3001double\u578b\u306f8\u30d0\u30a4\u30c8\u306a\u3069\u3001\u578b\u306b\u3088\u3063\u3066\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308b\u305f\u3081sizeof\u3092\u4f7f\u3046\u3068\u30dd\u30fc\u30bf\u30d6\u30eb\u306a\u30b3\u30fc\u30c9\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    <span style=\"color:#6c7086;\">\/* \u30d2\u30fc\u30d7\u4e0a\u306b\u69cb\u9020\u4f53\u3092\u52d5\u7684\u78ba\u4fdd *\/<\/span>\n    Person *ptr = (<span style=\"color:#cba6f7;\">Person<\/span> *)<span style=\"color:#89b4fa;\">malloc<\/span>(<span style=\"color:#cba6f7;\">sizeof<\/span>(Person));\n    <span style=\"color:#cba6f7;\">if<\/span> (ptr == NULL) {\n        <span style=\"color:#89b4fa;\">fprintf<\/span>(stderr, <span style=\"color:#a6e3a1;\">\"\u30e1\u30e2\u30ea\u78ba\u4fdd\u5931\u6557\\n\"<\/span>);\n        <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">1<\/span>;\n    }\n\n    <span style=\"color:#6c7086;\">\/* \u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3067\u30e1\u30f3\u30d0\u306b\u4ee3\u5165 *\/<\/span>\n    <span style=\"color:#89b4fa;\">strcpy<\/span>(ptr->name, <span style=\"color:#a6e3a1;\">\"\u52d5\u7684\u78ba\u4fdd\"<\/span>);\n    ptr->age = <span style=\"color:#fab387;\">20<\/span>;\n\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"%s: %d\u6b73\\n\"<\/span>, ptr->name, ptr->age);\n\n    <span style=\"color:#89b4fa;\">free<\/span>(ptr);  <span style=\"color:#6c7086;\">\/* \u4f7f\u3044\u7d42\u308f\u3063\u305f\u3089\u5fc5\u305a\u89e3\u653e *\/<\/span>\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<div style=\"background:#fef2f2;border:2px solid #dc2626;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\"><span style=\"font-size:20px;\">&#9888;&#65039;<\/span><strong style=\"color:#dc2626;font-size:16px;\">mallc\u3067\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306ffree()\u3092\u5fd8\u308c\u305a\u306b<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">malloc\u3067\u52d5\u7684\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306f\u3001\u4f7f\u3044\u7d42\u308f\u3063\u305f\u3089\u5fc5\u305afree()\u3067\u30e1\u30e2\u30ea\u3092\u89e3\u653e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u89e3\u653e\u3057\u306a\u3044\u3068\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\uff08\u4f7f\u7528\u6e08\u307f\u30e1\u30e2\u30ea\u304c\u89e3\u653e\u3055\u308c\u305a\u306b\u6b8b\u308a\u7d9a\u3051\u308b\u554f\u984c\uff09\u304c\u767a\u751f\u3057\u3001\u9577\u6642\u9593\u52d5\u4f5c\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u30e1\u30e2\u30ea\u4e0d\u8db3\u306e\u539f\u56e0\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-05\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">05<\/span>\n  <span class=\"section-label\" style=\"display:block;\">STRUCT ARRAY<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u9020\u4f53\u306e\u914d\u5217\u2015\u2015\u8907\u6570\u30c7\u30fc\u30bf\u3092\u307e\u3068\u3081\u3066\u7ba1\u7406\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u8907\u6570\u306e\u4eba\u7269\u30fb\u5546\u54c1\u30c7\u30fc\u30bf\u3092\u69cb\u9020\u4f53\u914d\u5217\u3067\u52b9\u7387\u7684\u306b\u6271\u3046<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u5909\u6570\u3092\u914d\u5217\u3068\u3057\u3066\u5ba3\u8a00\u3059\u308b\u3053\u3068\u3067\u3001<strong>\u540c\u3058\u578b\u306e\u69cb\u9020\u4f53\u3092\u8907\u6570\u307e\u3068\u3081\u3066\u7ba1\u7406<\/strong>\u3067\u304d\u307e\u3059\u3002\u300c10\u540d\u5206\u306e\u793e\u54e1\u30c7\u30fc\u30bf\u300d\u300c100\u500b\u306e\u5546\u54c1\u30c7\u30fc\u30bf\u300d\u306a\u3069\u3001\u540c\u3058\u5c5e\u6027\u3092\u6301\u3064\u8907\u6570\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3068\u304d\u306b\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;stdio.h&gt;<\/span>\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;string.h&gt;<\/span>\n\n<span style=\"color:#cba6f7;\">typedef struct<\/span> {\n    <span style=\"color:#cba6f7;\">char<\/span>  name[<span style=\"color:#fab387;\">50<\/span>];\n    <span style=\"color:#cba6f7;\">int<\/span>   age;\n    <span style=\"color:#cba6f7;\">float<\/span> score;\n} Student;\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    <span style=\"color:#6c7086;\">\/* \u69cb\u9020\u4f53\u306e\u914d\u5217\u3092\u5ba3\u8a00\uff083\u540d\u5206\uff09 *\/<\/span>\n    Student students[<span style=\"color:#fab387;\">3<\/span>] = {\n        {<span style=\"color:#a6e3a1;\">\"\u83c5\u6fa4\"<\/span>, <span style=\"color:#fab387;\">24<\/span>, <span style=\"color:#fab387;\">95.5f<\/span>},\n        {<span style=\"color:#a6e3a1;\">\"\u5c71\u5d0e\"<\/span>, <span style=\"color:#fab387;\">30<\/span>, <span style=\"color:#fab387;\">88.0f<\/span>},\n        {<span style=\"color:#a6e3a1;\">\"\u7530\u4e2d\"<\/span>, <span style=\"color:#fab387;\">22<\/span>, <span style=\"color:#fab387;\">72.5f<\/span>},\n    };\n\n    <span style=\"color:#6c7086;\">\/* for\u30eb\u30fc\u30d7\u3067\u5168\u54e1\u306e\u30c7\u30fc\u30bf\u3092\u8868\u793a *\/<\/span>\n    <span style=\"color:#cba6f7;\">for<\/span> (<span style=\"color:#cba6f7;\">int<\/span> i = <span style=\"color:#fab387;\">0<\/span>; i < <span style=\"color:#fab387;\">3<\/span>; i++) {\n        <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"[%d] %s: %d\u6b73, %.1f\u70b9\\n\"<\/span>,\n               i+<span style=\"color:#fab387;\">1<\/span>, students[i].name,\n               students[i].age, students[i].score);\n    }\n\n    <span style=\"color:#6c7086;\">\/* 1\u4eba\u76ee\u306e\u30b9\u30b3\u30a2\u3092\u66f4\u65b0 *\/<\/span>\n    students[<span style=\"color:#fab387;\">0<\/span>].score = <span style=\"color:#fab387;\">98.0f<\/span>;\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<div style=\"background:#f0fdf4;border:1px solid #22c55e;border-radius:8px;padding:20px 24px;margin:24px 0;\">\n  <div style=\"display:flex;align-items:center;gap:8px;margin-bottom:12px;\"><span style=\"font-size:18px;\">&#128161;<\/span><strong style=\"color:#16a34a;font-size:15px;\">\u30dd\u30a4\u30f3\u30bf\u3067\u69cb\u9020\u4f53\u914d\u5217\u3092\u6271\u3046\u65b9\u6cd5<\/strong><\/div>\n  <p style=\"margin:0;font-size:15px;line-height:1.8;color:#333;\">\u69cb\u9020\u4f53\u914d\u5217\u306f\u30dd\u30a4\u30f3\u30bf\u3067\u3082\u64cd\u4f5c\u3067\u304d\u307e\u3059\u3002\u300cStudent *ptr = students;\u300d\u3068\u3059\u308b\u3068\u3001ptr[0]\u3001ptr[1]\u306e\u3088\u3046\u306b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30a2\u30af\u30bb\u30b9\u3001\u307e\u305f\u306fptr->name\uff08\u6700\u521d\u306e\u8981\u7d20\uff09\u306e\u3088\u3046\u306b\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u304c\u4f7f\u3048\u307e\u3059\u3002ptr++\u3067\u30dd\u30a4\u30f3\u30bf\u3092\u6b21\u306e\u8981\u7d20\u306b\u9032\u3081\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-06\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">06<\/span>\n  <span class=\"section-label\" style=\"display:block;\">FUNCTION ARGS<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u9020\u4f53\u3092\u95a2\u6570\u306b\u6e21\u3059\uff08\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff09<\/span>\n  <span class=\"section-desc\">\u95a2\u6570\u306e\u5916\u3067\u5909\u66f4\u3092\u53cd\u6620\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u304c\u5fc5\u9808<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u3092\u95a2\u6570\u306b\u6e21\u3059\u65b9\u6cd5\u306f2\u7a2e\u985e\u3042\u308a\u307e\u3059\u3002<strong>\u5024\u6e21\u3057<\/strong>\uff08\u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc\u3092\u6e21\u3059\uff09\u3068<strong>\u30dd\u30a4\u30f3\u30bf\u6e21\u3057<\/strong>\uff08\u69cb\u9020\u4f53\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u6e21\u3059\uff09\u3067\u3059\u3002\u95a2\u6570\u5185\u3067\u884c\u3063\u305f\u5909\u66f4\u3092\u547c\u3073\u51fa\u3057\u5143\u306b\u53cd\u6620\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u3001\u5fc5\u305a\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<table>\n<thead><tr><th>\u6e21\u3057\u65b9<\/th><th>\u5f15\u6570\u306e\u578b<\/th><th>\u5909\u66f4\u306e\u53cd\u6620<\/th><th>\u30e1\u30e2\u30ea\u306e\u30b3\u30d4\u30fc<\/th><th>\u4f7f\u3044\u3069\u3053\u308d<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>\u5024\u6e21\u3057<\/td><td>Person p<\/td><td>\u53cd\u6620\u3055\u308c\u306a\u3044<\/td><td>\u69cb\u9020\u4f53\u5168\u4f53\u304c\u30b3\u30d4\u30fc\u3055\u308c\u308b\uff08\u91cd\u3044\uff09<\/td><td>\u8aad\u307f\u53d6\u308a\u5c02\u7528\u30fb\u5c0f\u3055\u3044\u69cb\u9020\u4f53<\/td><\/tr>\n<tr><td>\u30dd\u30a4\u30f3\u30bf\u6e21\u3057<\/td><td>Person *p<\/td><td>\u53cd\u6620\u3055\u308c\u308b<\/td><td>\u30dd\u30a4\u30f3\u30bf\uff088\u30d0\u30a4\u30c8\u7a0b\u5ea6\uff09\u306e\u307f\uff08\u8efd\u3044\uff09<\/td><td>\u5909\u66f4\u304c\u5fc5\u8981\u30fb\u5927\u304d\u3044\u69cb\u9020\u4f53<\/td><\/tr>\n<tr><td>const\u4ed8\u304d\u30dd\u30a4\u30f3\u30bf\u6e21\u3057<\/td><td>const Person *p<\/td><td>\u53cd\u6620\u3055\u308c\u306a\u3044\uff08\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff09<\/td><td>\u30dd\u30a4\u30f3\u30bf\u306e\u307f\uff08\u8efd\u3044\uff09<\/td><td>\u5927\u304d\u3044\u69cb\u9020\u4f53\u3092\u52b9\u7387\u3088\u304f\u8aad\u307f\u53d6\u308b\u3060\u3051<\/td><\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;stdio.h&gt;<\/span>\n\n<span style=\"color:#cba6f7;\">typedef struct<\/span> { <span style=\"color:#cba6f7;\">char<\/span> name[<span style=\"color:#fab387;\">50<\/span>]; <span style=\"color:#cba6f7;\">int<\/span> age; } Person;\n\n<span style=\"color:#6c7086;\">\/* \u5024\u6e21\u3057\uff1a\u95a2\u6570\u5185\u306e\u5909\u66f4\u306f\u547c\u3073\u51fa\u3057\u5143\u306b\u53cd\u6620\u3055\u308c\u306a\u3044 *\/<\/span>\n<span style=\"color:#cba6f7;\">void<\/span> <span style=\"color:#89b4fa;\">birthday_value<\/span>(Person p) {\n    p.age++;  <span style=\"color:#6c7086;\">\/* \u30b3\u30d4\u30fc\u3092\u5909\u66f4\u3059\u308b\u3060\u3051 *\/<\/span>\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u95a2\u6570\u5185: %d\u6b73\\n\"<\/span>, p.age);\n}\n\n<span style=\"color:#6c7086;\">\/* \u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff1a\u95a2\u6570\u5185\u306e\u5909\u66f4\u304c\u547c\u3073\u51fa\u3057\u5143\u306b\u3082\u53cd\u6620\u3055\u308c\u308b *\/<\/span>\n<span style=\"color:#cba6f7;\">void<\/span> <span style=\"color:#89b4fa;\">birthday_pointer<\/span>(Person *p) {\n    p->age++;  <span style=\"color:#6c7086;\">\/* \u5143\u30c7\u30fc\u30bf\u3092\u76f4\u63a5\u5909\u66f4 *\/<\/span>\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u95a2\u6570\u5185: %d\u6b73\\n\"<\/span>, p->age);\n}\n\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">main<\/span>() {\n    Person p = {<span style=\"color:#a6e3a1;\">\"\u5c71\u5d0e\"<\/span>, <span style=\"color:#fab387;\">30<\/span>};\n\n    <span style=\"color:#89b4fa;\">birthday_value<\/span>(p);\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u5024\u6e21\u3057\u5f8c: %d\u6b73\\n\"<\/span>, p.age);      <span style=\"color:#6c7086;\">\/* \u2192 30\uff08\u5909\u308f\u3089\u306a\u3044\uff09*\/<\/span>\n\n    <span style=\"color:#89b4fa;\">birthday_pointer<\/span>(&p);\n    <span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u5f8c: %d\u6b73\\n\"<\/span>, p.age);  <span style=\"color:#6c7086;\">\/* \u2192 31\uff08\u5909\u308f\u308b\uff09*\/<\/span>\n    <span style=\"color:#cba6f7;\">return<\/span> <span style=\"color:#fab387;\">0<\/span>;\n}\n<\/div>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u300c\u95a2\u6570\u5185\u3067\u5909\u66f4\u3057\u305f\u306e\u306b\u547c\u3073\u51fa\u3057\u5143\u304c\u5909\u308f\u3089\u306a\u3044\u300d\u3068\u3044\u3046\u30d0\u30b0\u306e9\u5272\u306f\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u306e\u6df7\u540c\u3067\u3059\u3002C\u8a00\u8a9e\u3067\u306f\u5168\u3066\u306e\u5f15\u6570\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u5024\u6e21\u3057\uff08\u30b3\u30d4\u30fc\uff09\u3067\u3059\u3002\u5909\u66f4\u3092\u53cd\u6620\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u610f\u8b58\u7684\u306b\u300c&\u5909\u6570\u540d\u300d\u3067\u30a2\u30c9\u30ec\u30b9\u3092\u6e21\u3057\u3001\u95a2\u6570\u5074\u3067\u300c*p\u300d\u3084\u300c->\u300d\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-07\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">07<\/span>\n  <span class=\"section-label\" style=\"display:block;\">COPY & COMPARE<\/span>\n  <span class=\"section-title\" style=\"display:block;\">\u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc\u3068\u6bd4\u8f03\u306e\u6b63\u3057\u3044\u65b9\u6cd5<\/span>\n  <span class=\"section-desc\">\u4e00\u62ec\u30b3\u30d4\u30fc\u3068 memcmp \u554f\u984c\u306e\u6b63\u3057\u3044\u5bfe\u51e6<\/span>\n<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">7-1. \u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u3058\u578b\u306e\u69cb\u9020\u4f53\u5909\u6570\u540c\u58eb\u306f\u3001<strong>=\u6f14\u7b97\u5b50\u3067\u5168\u30e1\u30f3\u30d0\u3092\u4e00\u62ec\u30b3\u30d4\u30fc<\/strong>\u3067\u304d\u307e\u3059\u3002char\u914d\u5217\u3092\u542b\u3080\u69cb\u9020\u4f53\u3067\u3082\u3001=\u6f14\u7b97\u5b50\u3067\u554f\u984c\u306a\u304f\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\nPerson src = {<span style=\"color:#a6e3a1;\">\"\u83c5\u6fa4\"<\/span>, <span style=\"color:#fab387;\">24<\/span>};\nPerson dst;\n\n<span style=\"color:#6c7086;\">\/* =\u6f14\u7b97\u5b50\u3067\u5168\u30e1\u30f3\u30d0\u3092\u30b3\u30d4\u30fc\uff08char\u914d\u5217\u3082\u542b\u3080\uff09 *\/<\/span>\ndst = src;\n\n<span style=\"color:#89b4fa;\">printf<\/span>(<span style=\"color:#a6e3a1;\">\"%s: %d\u6b73\\n\"<\/span>, dst.name, dst.age);\n<span style=\"color:#6c7086;\">\/* \u2192 \u83c5\u6fa4: 24\u6b73 *\/<\/span>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">7-2. \u69cb\u9020\u4f53\u306e\u6bd4\u8f03\uff08==\u6f14\u7b97\u5b50\u306f\u4f7f\u3048\u306a\u3044\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u540c\u58eb\u3092<code>==<\/code>\u6f14\u7b97\u5b50\u3067\u6bd4\u8f03\u3059\u308b\u3053\u3068\u306f<strong>\u3067\u304d\u307e\u305b\u3093<\/strong>\u3002\u5404\u30e1\u30f3\u30d0\u30921\u3064\u305a\u3064\u6bd4\u8f03\u3059\u308b\u304b\u3001<code>memcmp()<\/code>\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001<strong>memcmp\u306b\u306f\u69cb\u9020\u4f53\u306e\u30d1\u30c7\u30a3\u30f3\u30b0\uff08\u30e1\u30e2\u30ea\u306e\u8a70\u3081\u7269\uff09\u306e\u554f\u984c<\/strong>\u304c\u3042\u308b\u305f\u3081\u3001\u30e1\u30f3\u30d0\u3054\u3068\u306e\u6bd4\u8f03\u304c\u5b89\u5168\u3067\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#1e1e2e;border-radius:10px;padding:20px 24px;margin:20px 0;font-family:monospace;font-size:14px;line-height:1.8;color:#cdd6f4;overflow-x:auto;white-space:pre;\">\n<span style=\"color:#89b4fa;\">#include<\/span> <span style=\"color:#a6e3a1;\">&lt;string.h&gt;<\/span>\n\n<span style=\"color:#6c7086;\">\/* NG: ==\u6f14\u7b97\u5b50\u306f\u4f7f\u3048\u306a\u3044\uff08\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\uff09 *\/<\/span>\n<span style=\"color:#6c7086;\">\/* if (p1 == p2) \u2192 \u30a8\u30e9\u30fc *\/<\/span>\n\n<span style=\"color:#6c7086;\">\/* OK: \u30e1\u30f3\u30d0\u30921\u3064\u305a\u3064\u6bd4\u8f03\uff08\u63a8\u5968\uff09 *\/<\/span>\n<span style=\"color:#cba6f7;\">int<\/span> <span style=\"color:#89b4fa;\">person_equal<\/span>(<span style=\"color:#cba6f7;\">const<\/span> Person *a, <span style=\"color:#cba6f7;\">const<\/span> Person *b) {\n    <span style=\"color:#cba6f7;\">return<\/span> (<span style=\"color:#89b4fa;\">strcmp<\/span>(a->name, b->name) == <span style=\"color:#fab387;\">0<\/span>) &&\n           (a->age == b->age);\n}\n\n<span style=\"color:#6c7086;\">\/* \u6ce8\u610f: memcmp\u306f\u30d1\u30c7\u30a3\u30f3\u30b0\u30d0\u30a4\u30c8\u304c\u4e0d\u5b9a\u306e\u305f\u3081\u975e\u63a8\u5968 *\/<\/span>\n<span style=\"color:#6c7086;\">\/* if (memcmp(&p1, &p2, sizeof(Person)) == 0) \u2192 \u30d1\u30c7\u30a3\u30f3\u30b0\u554f\u984c\u3042\u308a *\/<\/span>\n<\/div>\n\n\n\n<div style=\"background:#f8f9fa;border-left:4px solid #6b7280;border-radius:0 8px 8px 0;padding:16px 20px;margin:20px 0;\">\n  <p style=\"margin:0 0 4px;font-size:13px;font-weight:700;color:#6b7280;letter-spacing:1px;\">&#128218; \u7528\u8a9e\u89e3\u8aac<\/p>\n  <p style=\"margin:0;font-size:15px;line-height:1.7;\"><strong>\u30d1\u30c7\u30a3\u30f3\u30b0\uff08padding\uff09<\/strong>\uff1aC\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u306b\u304a\u3044\u3066\u3001\u30e1\u30e2\u30ea\u30a2\u30e9\u30a4\u30e1\u30f3\u30c8\uff08\u30c7\u30fc\u30bf\u306e\u9069\u5207\u306a\u30e1\u30e2\u30ea\u4f4d\u7f6e\u3078\u306e\u914d\u7f6e\uff09\u306e\u305f\u3081\u306b\u30b3\u30f3\u30d1\u30a4\u30e9\u304c\u81ea\u52d5\u7684\u306b\u633f\u5165\u3059\u308b\u4f59\u5206\u306a\u30d0\u30a4\u30c8\u3002\u300cchar age; int score;\u300d\u306e\u3088\u3046\u306a\u69cb\u9020\u4f53\u3067\u306f\u3001age\u3068score\u306e\u9593\u306b3\u30d0\u30a4\u30c8\u306e\u30d1\u30c7\u30a3\u30f3\u30b0\u304c\u633f\u5165\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u30d1\u30c7\u30a3\u30f3\u30b0\u30d0\u30a4\u30c8\u306e\u5024\u306f\u4e0d\u5b9a\u306e\u305f\u3081\u3001memcmp\u3067\u6bd4\u8f03\u3059\u308b\u3068\u540c\u3058\u30c7\u30fc\u30bf\u306a\u306e\u306b\u300c\u4e0d\u4e00\u81f4\u300d\u3068\u5224\u5b9a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/div>\n\n\n<div style=\"margin:48px 0 8px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;\"><a href=\"https:\/\/aikanri.genai-ai.co.jp\/seminar2-blog\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_content=cc-c-struct-pointer&#038;blog_slug=cc-c-struct-pointer\" target=\"_blank\" rel=\"noopener\" aria-label=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff08\u7121\u6599\u30fb1on1\u30fb60\u5206\uff09\u306e\u4e88\u7d04\u753b\u9762\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_seminar_claude_code_2026.jpg\" alt=\"Claude Code \u5b8c\u5168\u89e3\u8aac\u30bb\u30df\u30ca\u30fc\uff5c\u7d4c\u55b6\u8005\u30fb\u4f1a\u793e\u5f79\u54e1\u5c02\u7528 1on1 60\u5206 \u7121\u6599\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&#038;utm_medium=h2banner&#038;utm_campaign=cc-c-struct-pointer&#038;utm_content=h2-banner-kanri\" target=\"_blank\" rel=\"noopener\" aria-label=\"AI\u9b3c\u7ba1\u7406 \u516c\u5f0f\u30b5\u30a4\u30c8\u3078\" style=\"flex:1 1 280px;max-width:360px;text-decoration:none;\"><img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/05\/cta_blog_1to1.jpg\" alt=\"Claude Code\u3092\u7d4c\u55b6\u306b\u6d3b\u304b\u3057\u305f\u3044\u65b9\u3078 \u2014 AI\u9b3c\u7ba1\u7406\" style=\"width:100%;height:auto;border-radius:8px;display:block;\"><\/a><\/div>\n\n\n<div id=\"sec-08\"><\/div>\n<h2 class=\"section-header-img\" style=\"margin:32px 0 24px;border-radius:8px;overflow:hidden;background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);padding:32px 28px;color:#fff;position:relative;border:none;border-left:none;text-align:left;\">\n  <span class=\"section-number\" style=\"display:block;\">08<\/span>\n  <span class=\"section-label\" style=\"display:block;\">CLAUDE CODE C<\/span>\n  <span class=\"section-title\" style=\"display:block;\">Claude Code\u3067C\u8a00\u8a9e\u69cb\u9020\u4f53\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210\u3059\u308b<\/span>\n  <span class=\"section-desc\">\u300c\u3053\u3093\u306a\u69cb\u9020\u4f53\u3092\u4f5c\u3063\u3066\u300d\u3068\u65e5\u672c\u8a9e\u3067\u6307\u793a\u3059\u308b\u3060\u3051\u3067\u30b3\u30fc\u30c9\u304c\u5b8c\u6210<\/span>\n<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u306f\u6982\u5ff5\u304c\u7406\u89e3\u3067\u304d\u3066\u3082\u3001\u5b9f\u969b\u306e\u30b3\u30fc\u30c9\u306b\u843d\u3068\u3057\u8fbc\u3080\u3068\u304d\u306b\u30df\u30b9\u304c\u767a\u751f\u3057\u3084\u3059\u3044\u9818\u57df\u3067\u3059\u3002<strong>Claude Code\u3092\u4f7f\u3048\u3070\u3001\u65e5\u672c\u8a9e\u3067\u8981\u4ef6\u3092\u4f1d\u3048\u308b\u3060\u3051\u3067\u69cb\u9020\u4f53\u5b9a\u7fa9\u30fb\u521d\u671f\u5316\u30fb\u95a2\u6570\u30fb\u30a8\u30e9\u30fc\u51e6\u7406\u307e\u3067\u542b\u3080\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u751f\u6210<\/strong>\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u5546\u54c1\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u9020\u4f53\u3092\u4f5c\u3063\u3066\u3002name\u30fbprice\u30fbstock\u3092\u6301\u3061\u3001\u5728\u5eab\u3092\u66f4\u65b0\u3059\u308b\u95a2\u6570\u3082\u66f8\u3044\u3066\u300d<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u3053\u306e\u69cb\u9020\u4f53\u3092\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306b\u5909\u3048\u3066\u3002next\u30dd\u30a4\u30f3\u30bf\u3092\u8ffd\u52a0\u3057\u3066\u633f\u5165\u30fb\u524a\u9664\u30fb\u691c\u7d22\u95a2\u6570\u3092\u5b9f\u88c5\u3057\u3066\u300d<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300cvalue\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u306e\u9055\u3044\u304c\u5206\u304b\u308b\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u3002\u30b3\u30e1\u30f3\u30c8\u3067\u8aac\u660e\u3082\u5165\u308c\u3066\u300d<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300c\u3053\u306e\u69cb\u9020\u4f53\u914d\u5217\u3092qsort\u3067\u540d\u524d\u9806\u306b\u30bd\u30fc\u30c8\u3059\u308b\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u300d<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span>\u300cmalloc\u3067\u52d5\u7684\u306b\u69cb\u9020\u4f53\u3092\u78ba\u4fdd\u3057\u3066free\u307e\u3067\u4e00\u9023\u306e\u51e6\u7406\u3092\u66f8\u3044\u3066\u300d<\/span><\/div>\n\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u4fbf\u5229\u306a\u306e\u304c\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u5b9f\u88c5\u3067\u3059\u3002\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u30fb\u4e8c\u5206\u6728\u30fb\u30b9\u30bf\u30c3\u30af\u30fb\u30ad\u30e5\u30fc\u306a\u3069\u3001\u30dd\u30a4\u30f3\u30bf\u3092\u591a\u7528\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u306e\u5b9f\u88c5\u306fC\u8a00\u8a9e\u5b66\u7fd2\u8005\u306e\u5927\u304d\u306a\u58c1\u3067\u3059\u304c\u3001Claude Code\u306a\u3089\u300c\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u3067\u793e\u54e1\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u300d\u3068\u6307\u793a\u3059\u308b\u3060\u3051\u3067\u5b8c\u5168\u306a\u30b3\u30fc\u30c9\u304c\u751f\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f0a\u793e\uff08\u682a\u5f0f\u4f1a\u793eGENAI\uff09\u3067\u306f\u3001\u793e\u5185\u958b\u767a\u3067\u767a\u751f\u3059\u308bC\u8a00\u8a9e\u30b3\u30fc\u30c9\u306e\u751f\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u30fb\u6700\u9069\u5316\u306bClaude Code\u3092\u6d3b\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u300c\u306a\u305c\u3053\u306e\u30b3\u30fc\u30c9\u3067\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u9055\u53cd\u304c\u8d77\u304d\u308b\u304b\u300d\u3068\u3044\u3046\u8cea\u554f\u306b\u3082\u6b63\u78ba\u306b\u7b54\u3048\u3001\u4fee\u6b63\u30b3\u30fc\u30c9\u3092\u63d0\u793a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap is-right\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/yamazaki-avatar.png\" alt=\"AI\u9b3c\u7ba1\u7406\u5c71\u5d0e\">\n    <span class=\"balloon-name\">AI\u9b3c\u7ba1\u7406\u5c71\u5d0e<\/span>\n  <\/div>\n  <div class=\"balloon-body\">\u69cb\u9020\u4f53\u3092\u4f7f\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u300c\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u9055\u53cd\u300d\u300c\u30d0\u30b9\u30a8\u30e9\u30fc\u300d\u3068\u3044\u3063\u305f\u5b9f\u884c\u6642\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u5834\u5408\u306f\u3001\u30dd\u30a4\u30f3\u30bf\u306e\u521d\u671f\u5316\u5fd8\u308c\u30fb\u914d\u5217\u306e\u7bc4\u56f2\u5916\u30a2\u30af\u30bb\u30b9\u30fbmalloc\u306efree\u5fd8\u308c\u304c\u591a\u3044\u3067\u3059\u3002\u30b3\u30fc\u30c9\u3092Claude Code\u306b\u8cbc\u308a\u4ed8\u3051\u3066\u300c\u3053\u306e\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u3092\u6559\u3048\u3066\u300d\u3068\u805e\u304f\u3068\u3001\u307b\u307c\u4e00\u767a\u3067\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3066\u304f\u308c\u307e\u3059\u3002<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Claude Code\u3092\u4f7f\u3063\u305fC\u8a00\u8a9e\u958b\u767a\u306e\u30e1\u30ea\u30c3\u30c8\u306f\u3001<strong>\u30b3\u30fc\u30c9\u306e\u751f\u6210\u3060\u3051\u3067\u306a\u304f\u300c\u306a\u305c\u305d\u306e\u30b3\u30fc\u30c9\u304c\u6b63\u3057\u3044\u306e\u304b\u300d\u306e\u8aac\u660e\u3082\u540c\u6642\u306b\u5f97\u3089\u308c\u308b<\/strong>\u70b9\u3067\u3059\u3002\u69cb\u9020\u4f53\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30e1\u30e2\u30ea\u7ba1\u7406\u3068\u3044\u3063\u305fC\u8a00\u8a9e\u306e\u96e3\u3057\u3044\u6982\u5ff5\u3092\u3001\u81ea\u5206\u306e\u30b3\u30fc\u30c9\u3092\u4f8b\u306b\u5b66\u3079\u307e\u3059\u3002<\/p>\n\n\n\n<div style=\"background:#fafafa;border-radius:8px;padding:16px 20px;margin:16px 0;border-left:4px solid #dc2626;\">\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u69cb\u9020\u4f53\uff08struct\uff09<\/strong>\u306f\u7570\u306a\u308b\u578b\u306e\u30c7\u30fc\u30bf\u30921\u3064\u306b\u307e\u3068\u3081\u308b\u4ed5\u7d44\u307f\u3002\u914d\u5217\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u8907\u6570\u30c7\u30fc\u30bf\u3092\u7ba1\u7406\u3067\u304d\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>typedef<\/strong>\u3067struct\u540d\u3092\u30a8\u30a4\u30ea\u30a2\u30b9\u5316\u3059\u308b\u3068\u300cstruct Person\u300d\u3092\u300cPerson\u300d\u3068\u77ed\u304f\u66f8\u3051\u308b<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08.\uff09<\/strong>\u3067\u69cb\u9020\u4f53\u5909\u6570\u306e\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3002char\u914d\u5217\u306e\u4ee3\u5165\u306fstrcpy\u3092\u4f7f\u3046<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08->\uff09<\/strong>\u306f\u69cb\u9020\u4f53\u30dd\u30a4\u30f3\u30bf\u304b\u3089\u30e1\u30f3\u30d0\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u6f14\u7b97\u5b50\uff08(*ptr).member \u306e\u7565\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u95a2\u6570\u3078\u306e\u6e21\u3057\u65b9<\/strong>\uff1a\u5909\u66f4\u3092\u53cd\u6620\u3055\u305b\u305f\u3044\u5834\u5408\u306f\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff08&\u5909\u6570\uff09\u3001\u8aad\u307f\u53d6\u308a\u306e\u307f\u306a\u3089\u5024\u6e21\u3057\u53ef<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>\u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc<\/strong>\u306f=\u6f14\u7b97\u5b50\u3067OK\u3002\u6bd4\u8f03\u306f\u30e1\u30f3\u30d0\u30921\u3064\u305a\u3064\uff08memcmp\u306f\u30d1\u30c7\u30a3\u30f3\u30b0\u554f\u984c\u3042\u308a\uff09<\/span><\/div>\n<div style=\"display:flex;align-items:flex-start;gap:8px;padding:6px 0;font-size:15px;line-height:1.6;\"><span style=\"color:#dc2626;font-size:16px;flex-shrink:0;margin-top:2px;\">&#10004;&#65039;<\/span><span><strong>Claude Code<\/strong>\u3067\u69cb\u9020\u4f53\u5b9a\u7fa9\u30fb\u30dd\u30a4\u30f3\u30bf\u64cd\u4f5c\u30fb\u30c7\u30fc\u30bf\u69cb\u9020\u5b9f\u88c5\u3092\u81ea\u52d5\u751f\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u3067\u304d\u308b<\/span><\/div>\n\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u30fb\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3063\u305f\u958b\u767a\u306fClaude Code\u00d7AI\u9b3c\u7ba1\u7406\u3067\u52a0\u901f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u69cb\u9020\u4f53\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30e1\u30e2\u30ea\u7ba1\u7406\u306a\u3069\u8907\u96d1\u306aC\u8a00\u8a9e\u30b3\u30fc\u30c9\u306e\u751f\u6210\u30fb\u30c7\u30d0\u30c3\u30b0\u306bClaude Code\u3092\u6d3b\u7528\u3059\u308b\u65b9\u6cd5\u3092\u3001\u5f0a\u793e\u306e\u5b9f\u7e3e\u3092\u4ea4\u3048\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"balloon-wrap\">\n  <div class=\"balloon-icon\">\n    <img decoding=\"async\" src=\"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-content\/uploads\/2026\/04\/ceo-sugasawa.jpg\" alt=\"\u4ee3\u8868\u83c5\u6fa4\">\n    <span class=\"balloon-name\">\u4ee3\u8868\u83c5\u6fa4<\/span>\n  <\/div>\n  <div class=\"balloon-body\">C\u8a00\u8a9e\u306e\u96e3\u3057\u3055\u306e\u6838\u5fc3\u306f\u30dd\u30a4\u30f3\u30bf\u3068\u30e1\u30e2\u30ea\u7ba1\u7406\u3067\u3059\u3002Claude Code\u306f\u3053\u306e\u90e8\u5206\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u7279\u306b\u5f37\u529b\u3067\u3001\u300c\u306a\u305c\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u9055\u53cd\u304c\u8d77\u304d\u308b\u304b\u300d\u300c\u3069\u3053\u3067\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3057\u3066\u3044\u308b\u304b\u300d\u3092\u5373\u5ea7\u306b\u7279\u5b9a\u3057\u307e\u3059\u3002\u7121\u6599\u76f8\u8ac7\u304b\u3089\u59cb\u3081\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/div>\n<\/div>\n\n\n\n<div style=\"background:linear-gradient(135deg,#1a1a1a 0%,#2a1015 100%);border-radius:16px;padding:36px 32px;margin:48px 0 16px;color:#fff;\">\n  <p style=\"font-size:13px;font-weight:700;color:#dc2626;letter-spacing:2px;margin:0 0 12px;\">NEXT STEP<\/p>\n  <p style=\"font-size:22px;font-weight:800;line-height:1.5;margin:0 0 20px;\">\u3053\u306e\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u3001\u3042\u306a\u305f\u306e\u30d3\u30b8\u30cd\u30b9\u3067<br>\u5b9f\u8df5\u3057\u3066\u307f\u307e\u305b\u3093\u304b\uff1f<\/p>\n  <div style=\"background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.12);border-radius:12px;padding:24px;max-width:560px;margin:0 auto;\">\n    <p style=\"font-size:13px;color:#dc2626;font-weight:700;margin:0 0 8px;\">AI\u6d3b\u7528\u3092\u81ea\u793e\u3067\u56de\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u305f\u3044\u65b9\u3078<\/p>\n    <p style=\"font-size:20px;font-weight:800;margin:0 0 12px;\">AI\u9b3c\u7ba1\u7406<\/p>\n    <p style=\"font-size:14px;color:rgba(255,255,255,0.75);margin:0 0 20px;line-height:1.7;\">Claude Code\u30fbCowork\u5c0e\u5165\u652f\u63f4\u304b\u3089\u696d\u52d9\u8a2d\u8a08\u30fb\u793e\u5185\u6d78\u900f\u307e\u3067\u5b9f\u8df5\u30d9\u30fc\u30b9\u3067\u4f34\u8d70\u3002\u300c\u81ea\u793e\u3067\u56de\u305b\u308b\u7d44\u7e54\u300d\u309290\u65e5\u3067\u4f5c\u308b\u7d4c\u55b6\u8005\u5411\u3051\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3002<\/p>\n    <div style=\"text-align:center;\">\n      <a href=\"https:\/\/aikanri.genai-ai.co.jp\/?utm_source=blog&utm_medium=article&utm_campaign=cc-c-struct-pointer&utm_content=next-step-cta\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-block;background:#dc2626;color:#fff;font-weight:700;font-size:15px;padding:14px 32px;border-radius:30px;text-decoration:none;\">AI\u9b3c\u7ba1\u7406\u3092\u8a73\u3057\u304f\u898b\u308b \u2192<\/a>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Q. C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u3068\u30af\u30e9\u30b9\uff08C++\uff09\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u306f\u57fa\u672c\u7684\u306b\u30c7\u30fc\u30bf\u306e\u96c6\u307e\u308a\u3067\u3001\u30e1\u30f3\u30d0\u5909\u6570\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u30e1\u30f3\u30d0\u95a2\u6570\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u30fb\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\uff08public\/private\uff09\u30fb\u7d99\u627f\u306f\u3042\u308a\u307e\u305b\u3093\u3002C++\u306eclass\u3068\u6bd4\u3079\u308b\u3068\u6a5f\u80fd\u304c\u9650\u5b9a\u7684\u3067\u3059\u304c\u3001\u8efd\u91cf\u3067\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002C\u8a00\u8a9e\u3067\u300c\u30e1\u30bd\u30c3\u30c9\u300d\u306b\u76f8\u5f53\u3059\u308b\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u69cb\u9020\u4f53\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u7b2c1\u5f15\u6570\u306b\u53d6\u308b\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. struct\u5ba3\u8a00\u3068typedef\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u73fe\u4ee3\u306eC\u8a00\u8a9e\uff08C99\u4ee5\u964d\uff09\u3067\u306ftypedef\u3092\u4f7f\u3046\u30b9\u30bf\u30a4\u30eb\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u300ctypedef struct { ... } TypeName;\u300d\u3068\u66f8\u304f\u3053\u3068\u3067\u300cstruct TypeName\u300d\u306e\u4ee3\u308f\u308a\u306b\u300cTypeName\u300d\u3068\u77ed\u304f\u66f8\u3051\u307e\u3059\u3002\u305f\u3060\u3057\u81ea\u5df1\u53c2\u7167\u304c\u5fc5\u8981\u306a\u69cb\u9020\u4f53\uff08\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306enext\u30dd\u30a4\u30f3\u30bf\u306a\u3069\uff09\u3067\u306f\u300ctypedef struct Node { struct Node *next; } Node;\u300d\u306e\u3088\u3046\u306btag\u540d\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08.\uff09\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08->\uff09\u306f\u3069\u3046\u4f7f\u3044\u5206\u3051\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5909\u6570\u540d\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\uff08Person p; \u2192 p.name\uff09\u306f\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3001\u30dd\u30a4\u30f3\u30bf\u7d4c\u7531\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\uff08Person *ptr; \u2192 ptr->name\uff09\u306f\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u3002\u300c\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50=\u30dd\u30a4\u30f3\u30bf\u306e\u3068\u304d\u300d\u3068\u899a\u3048\u308c\u3070\u8ff7\u3044\u307e\u305b\u3093\u3002\u300cptr->name\u300d\u306f\u300c(*ptr).name\u300d\u306e\u7701\u7565\u5f62\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u95a2\u6570\u306b\u69cb\u9020\u4f53\u3092\u6e21\u3059\u3068\u304d\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u306e\u9055\u3044\u306f\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u5024\u6e21\u3057\uff08\u95a2\u6570\u5f15\u6570\u306b\u300cPerson p\u300d\uff09\u3067\u306f\u69cb\u9020\u4f53\u5168\u4f53\u304c\u30b3\u30d4\u30fc\u3055\u308c\u3001\u95a2\u6570\u5185\u3067\u306e\u5909\u66f4\u306f\u547c\u3073\u51fa\u3057\u5143\u306b\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff08\u300cPerson *p\u300d\uff09\u3067\u306f\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u304c\u6e21\u3055\u308c\u3001\u300cp->\u30e1\u30f3\u30d0\u300d\u3067\u5143\u30c7\u30fc\u30bf\u3092\u76f4\u63a5\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u300c\u95a2\u6570\u306e\u5916\u3067\u3082\u5909\u66f4\u3092\u53cd\u6620\u3055\u305b\u305f\u3044\u300d\u3068\u304d\u306f\u5fc5\u305a\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f\u5927\u304d\u306a\u69cb\u9020\u4f53\u3092\u8aad\u307f\u53d6\u308b\u3060\u3051\u306e\u5834\u5408\u3082\u300cconst Person *p\u300d\u306econst\u4ed8\u304d\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u304c\u52b9\u7387\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc\u306f=\u6f14\u7b97\u5b50\u3067\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u3067\u304d\u307e\u3059\u3002\u300cdst = src;\u300d\u3068\u3059\u308b\u3068\u69cb\u9020\u4f53\u306e\u5168\u30e1\u30f3\u30d0\u304c\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002char\u914d\u5217\u30e1\u30f3\u30d0\u3082\u542b\u3081\u3066\u6b63\u3057\u304f\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u304c\u3042\u308b\u5834\u5408\u306f\u300c\u6d45\u3044\u30b3\u30d4\u30fc\uff08\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc\uff09\u300d\u306b\u306a\u308a\u3001\u30dd\u30a4\u30f3\u30bf\u5148\u306e\u30c7\u30fc\u30bf\u306f\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30bf\u5148\u307e\u3067\u72ec\u7acb\u3057\u3066\u30b3\u30d4\u30fc\u3057\u305f\u3044\u5834\u5408\u306f\u6df1\u3044\u30b3\u30d4\u30fc\uff08\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\uff09\u306e\u5b9f\u88c5\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u69cb\u9020\u4f53\u306e\u6bd4\u8f03\u306b==\u6f14\u7b97\u5b50\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. \u4f7f\u3048\u307e\u305b\u3093\u3002C\u8a00\u8a9e\u3067\u306f\u69cb\u9020\u4f53\u540c\u58eb\u3092==\u3067\u6bd4\u8f03\u3059\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u6bd4\u8f03\u3059\u308b\u306b\u306f\u30e1\u30f3\u30d0\u30921\u3064\u305a\u3064\u6bd4\u8f03\u3059\u308b\u95a2\u6570\u3092\u81ea\u5206\u3067\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002memcmp()\u3082\u4f7f\u3048\u307e\u3059\u304c\u3001\u69cb\u9020\u4f53\u306b\u306f\u300c\u30d1\u30c7\u30a3\u30f3\u30b0\uff08\u30e1\u30e2\u30ea\u306e\u8a70\u3081\u7269\uff09\u300d\u304c\u3042\u308a\u3001\u540c\u3058\u5024\u3067\u3082memcmp\u304c\u300c\u4e0d\u4e00\u81f4\u300d\u3068\u8fd4\u3059\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u975e\u63a8\u5968\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Q. \u52d5\u7684\u306b\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306f\u3069\u3046\u89e3\u653e\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">A. malloc\u3067\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306f\u3001\u4f7f\u7528\u5f8c\u306b\u5fc5\u305a\u300cfree(ptr);\u300d\u3067\u89e3\u653e\u3057\u307e\u3059\u3002\u89e3\u653e\u3057\u305f\u30dd\u30a4\u30f3\u30bf\u306f\u300cptr = NULL;\u300d\u3067NULL\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u4e8c\u91cd\u89e3\u653e\uff08double free\uff09\u3092\u9632\u3052\u307e\u3059\u3002\u69cb\u9020\u4f53\u304c\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u3092\u6301\u3064\u5834\u5408\u306f\u3001\u69cb\u9020\u4f53\u672c\u4f53\u3092\u89e3\u653e\u3059\u308b\u524d\u306b\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u306e\u5148\u3082\u5148\u306bfree\u3059\u308b\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\u3068\u30af\u30e9\u30b9\uff08C++\uff09\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u306f\u57fa\u672c\u7684\u306b\u30c7\u30fc\u30bf\u306e\u96c6\u307e\u308a\u3067\u3001\u30e1\u30f3\u30d0\u5909\u6570\u3092\u6301\u3061\u307e\u3059\u304c\u3001\u30e1\u30f3\u30d0\u95a2\u6570\uff08\u30e1\u30bd\u30c3\u30c9\uff09\u30fb\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\uff08public\/private\uff09\u30fb\u7d99\u627f\u306f\u3042\u308a\u307e\u305b\u3093\u3002C++\u306eclass\u3068\u6bd4\u3079\u308b\u3068\u6a5f\u80fd\u304c\u9650\u5b9a\u7684\u3067\u3059\u304c\u3001\u8efd\u91cf\u3067\u30b7\u30f3\u30d7\u30eb\u3067\u3059\u3002C\u8a00\u8a9e\u3067\u300c\u30e1\u30bd\u30c3\u30c9\u300d\u306b\u76f8\u5f53\u3059\u308b\u6a5f\u80fd\u3092\u5b9f\u73fe\u3057\u305f\u3044\u5834\u5408\u306f\u3001\u69cb\u9020\u4f53\u306e\u30dd\u30a4\u30f3\u30bf\u3092\u7b2c1\u5f15\u6570\u306b\u53d6\u308b\u95a2\u6570\u3068\u3057\u3066\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u4e00\u822c\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"struct\u5ba3\u8a00\u3068typedef\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u73fe\u4ee3\u306eC\u8a00\u8a9e\uff08C99\u4ee5\u964d\uff09\u3067\u306ftypedef\u3092\u4f7f\u3046\u30b9\u30bf\u30a4\u30eb\u304c\u4e00\u822c\u7684\u3067\u3059\u3002\u300ctypedef struct { ... } TypeName;\u300d\u3068\u66f8\u304f\u3053\u3068\u3067\u300cstruct TypeName\u300d\u306e\u4ee3\u308f\u308a\u306b\u300cTypeName\u300d\u3068\u77ed\u304f\u66f8\u3051\u307e\u3059\u3002\u305f\u3060\u3057\u81ea\u5df1\u53c2\u7167\u304c\u5fc5\u8981\u306a\u69cb\u9020\u4f53\uff08\u30ea\u30f3\u30af\u30ea\u30b9\u30c8\u306enext\u30dd\u30a4\u30f3\u30bf\u306a\u3069\uff09\u3067\u306f\u300ctypedef struct Node { struct Node *next; } Node;\u300d\u306e\u3088\u3046\u306btag\u540d\u3082\u5fc5\u8981\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\uff08.\uff09\u3068\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\uff08->\uff09\u306f\u3069\u3046\u4f7f\u3044\u5206\u3051\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5909\u6570\u540d\u304b\u3089\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\uff08Person p; \u2192 p.name\uff09\u306f\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\u3001\u30dd\u30a4\u30f3\u30bf\u7d4c\u7531\u3067\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3068\u304d\uff08Person *ptr; \u2192 ptr->name\uff09\u306f\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u3092\u4f7f\u3044\u307e\u3059\u3002\u300c\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50=\u30dd\u30a4\u30f3\u30bf\u306e\u3068\u304d\u300d\u3068\u899a\u3048\u308c\u3070\u8ff7\u3044\u307e\u305b\u3093\u3002\u300cptr->name\u300d\u306f\u300c(*ptr).name\u300d\u306e\u7701\u7565\u5f62\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u95a2\u6570\u306b\u69cb\u9020\u4f53\u3092\u6e21\u3059\u3068\u304d\u5024\u6e21\u3057\u3068\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u306e\u9055\u3044\u306f\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u5024\u6e21\u3057\uff08\u95a2\u6570\u5f15\u6570\u306b\u300cPerson p\u300d\uff09\u3067\u306f\u69cb\u9020\u4f53\u5168\u4f53\u304c\u30b3\u30d4\u30fc\u3055\u308c\u3001\u95a2\u6570\u5185\u3067\u306e\u5909\u66f4\u306f\u547c\u3073\u51fa\u3057\u5143\u306b\u53cd\u6620\u3055\u308c\u307e\u305b\u3093\u3002\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\uff08\u300cPerson *p\u300d\uff09\u3067\u306f\u30a2\u30c9\u30ec\u30b9\u306e\u307f\u304c\u6e21\u3055\u308c\u3001\u300cp->\u30e1\u30f3\u30d0\u300d\u3067\u5143\u30c7\u30fc\u30bf\u3092\u76f4\u63a5\u5909\u66f4\u3067\u304d\u307e\u3059\u3002\u300c\u95a2\u6570\u306e\u5916\u3067\u3082\u5909\u66f4\u3092\u53cd\u6620\u3055\u305b\u305f\u3044\u300d\u3068\u304d\u306f\u5fc5\u305a\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u3092\u4f7f\u3044\u307e\u3059\u3002\u307e\u305f\u5927\u304d\u306a\u69cb\u9020\u4f53\u3092\u8aad\u307f\u53d6\u308b\u3060\u3051\u306e\u5834\u5408\u3082\u300cconst Person *p\u300d\u306econst\u4ed8\u304d\u30dd\u30a4\u30f3\u30bf\u6e21\u3057\u304c\u52b9\u7387\u7684\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u69cb\u9020\u4f53\u306e\u30b3\u30d4\u30fc\u306f=\u6f14\u7b97\u5b50\u3067\u3067\u304d\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u3067\u304d\u307e\u3059\u3002\u300cdst = src;\u300d\u3068\u3059\u308b\u3068\u69cb\u9020\u4f53\u306e\u5168\u30e1\u30f3\u30d0\u304c\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002char\u914d\u5217\u30e1\u30f3\u30d0\u3082\u542b\u3081\u3066\u6b63\u3057\u304f\u30b3\u30d4\u30fc\u3055\u308c\u307e\u3059\u3002\u305f\u3060\u3057\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u304c\u3042\u308b\u5834\u5408\u306f\u300c\u6d45\u3044\u30b3\u30d4\u30fc\uff08\u30b7\u30e3\u30ed\u30fc\u30b3\u30d4\u30fc\uff09\u300d\u306b\u306a\u308a\u3001\u30dd\u30a4\u30f3\u30bf\u5148\u306e\u30c7\u30fc\u30bf\u306f\u5171\u6709\u3055\u308c\u307e\u3059\u3002\u30dd\u30a4\u30f3\u30bf\u5148\u307e\u3067\u72ec\u7acb\u3057\u3066\u30b3\u30d4\u30fc\u3057\u305f\u3044\u5834\u5408\u306f\u6df1\u3044\u30b3\u30d4\u30fc\uff08\u30c7\u30a3\u30fc\u30d7\u30b3\u30d4\u30fc\uff09\u306e\u5b9f\u88c5\u304c\u5fc5\u8981\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u69cb\u9020\u4f53\u306e\u6bd4\u8f03\u306b==\u6f14\u7b97\u5b50\u306f\u4f7f\u3048\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"\u4f7f\u3048\u307e\u305b\u3093\u3002C\u8a00\u8a9e\u3067\u306f\u69cb\u9020\u4f53\u540c\u58eb\u3092==\u3067\u6bd4\u8f03\u3059\u308b\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002\u6bd4\u8f03\u3059\u308b\u306b\u306f\u30e1\u30f3\u30d0\u30921\u3064\u305a\u3064\u6bd4\u8f03\u3059\u308b\u95a2\u6570\u3092\u81ea\u5206\u3067\u5b9a\u7fa9\u3059\u308b\u306e\u304c\u5b89\u5168\u3067\u3059\u3002memcmp()\u3082\u4f7f\u3048\u307e\u3059\u304c\u3001\u69cb\u9020\u4f53\u306b\u306f\u300c\u30d1\u30c7\u30a3\u30f3\u30b0\uff08\u30e1\u30e2\u30ea\u306e\u8a70\u3081\u7269\uff09\u300d\u304c\u3042\u308a\u3001\u540c\u3058\u5024\u3067\u3082memcmp\u304c\u300c\u4e0d\u4e00\u81f4\u300d\u3068\u8fd4\u3059\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u975e\u63a8\u5968\u3067\u3059\u3002\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"\u52d5\u7684\u306b\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306f\u3069\u3046\u89e3\u653e\u3057\u307e\u3059\u304b\uff1f\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"malloc\u3067\u78ba\u4fdd\u3057\u305f\u69cb\u9020\u4f53\u306f\u3001\u4f7f\u7528\u5f8c\u306b\u5fc5\u305a\u300cfree(ptr);\u300d\u3067\u89e3\u653e\u3057\u307e\u3059\u3002\u89e3\u653e\u3057\u305f\u30dd\u30a4\u30f3\u30bf\u306f\u300cptr = NULL;\u300d\u3067NULL\u306b\u3057\u3066\u304a\u304f\u3068\u3001\u4e8c\u91cd\u89e3\u653e\uff08double free\uff09\u3092\u9632\u3052\u307e\u3059\u3002\u69cb\u9020\u4f53\u304c\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u3092\u6301\u3064\u5834\u5408\u306f\u3001\u69cb\u9020\u4f53\u672c\u4f53\u3092\u89e3\u653e\u3059\u308b\u524d\u306b\u30dd\u30a4\u30f3\u30bf\u30e1\u30f3\u30d0\u306e\u5148\u3082\u5148\u306bfree\u3059\u308b\u3088\u3046\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\"\n      }\n    }\n  ]\n}\n<\/script>\n\n\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u3092\u5b8c\u5168\u89e3\u8aac\u3002typedef\/\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\/\u30dd\u30a4\u30f3\u30bf\/\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\/\u914d\u5217\/\u95a2\u6570\u5f15\u6570\/\u30b3\u30d4\u30fc\u6bd4\u8f03\u307e\u3067\u3001\u30b3\u30fc\u30c9\u4f8b\u4ed8\u304d\u3067\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u306b\u89e3\u8aac\u3002Claude Code\u3067\u306e\u81ea\u52d5\u30b3\u30fc\u30c9\u751f\u6210\u65b9\u6cd5\u3082\u7d39\u4ecb\u3002<\/p>\n","protected":false},"author":1,"featured_media":17905,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"sitemap_hide":"","_veu_custom_css":"","vkexunit_cta_each_option":"","footnotes":"","rank_math_description":"C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u3092\u5b8c\u5168\u89e3\u8aac\u3002typedef\/\u30c9\u30c3\u30c8\u6f14\u7b97\u5b50\/\u30dd\u30a4\u30f3\u30bf\/\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\/\u914d\u5217\/\u95a2\u6570\u5f15\u6570\/\u30b3\u30d4\u30fc\u6bd4\u8f03\u307e\u3067\u3001\u30b3\u30fc\u30c9\u4f8b\u4ed8\u304d\u3067\u975e\u30a8\u30f3\u30b8\u30cb\u30a2\u5411\u3051\u306b\u89e3\u8aac\u3002Claude Code\u3067\u306e\u81ea\u52d5\u30b3\u30fc\u30c9\u751f\u6210\u65b9\u6cd5\u3082\u7d39\u4ecb\u3002","rank_math_focus_keyword":"C\u8a00\u8a9e \u69cb\u9020\u4f53","rank_math_title":"\u30102026\u5e747\u6708\u6700\u65b0\u3011C\u8a00\u8a9e\u306e\u69cb\u9020\u4f53\uff08struct\uff09\u5b8c\u5168\u30ac\u30a4\u30c9\uff5ctypedef\u30fb\u30dd\u30a4\u30f3\u30bf\u30fb\u30a2\u30ed\u30fc\u6f14\u7b97\u5b50\u30fb\u914d\u5217\u30fb\u95a2\u6570\u5f15\u6570\u307e\u3067\u5fb9\u5e95\u89e3\u8aac","pending_rewrite_html":"","pending_rewrite_id":"","pending_rewrite_kw":"","pending_rewrite_at":"","pending_rewrite_source":"","pending_rewrite_brief":"","pending_rewrite_evidence":"","approved_rewrite_html":"","approved_rewrite_id":"","approved_rewrite_kw":"","approved_rewrite_at":"","approved_rewrite_by":"","approved_rewrite_brief":"","approved_rewrite_evidence":"","rewrite_tracker_baseline":"","rewrite_tracker_7day":"","rewrite_tracker_14day":"","rewrite_tracker_30day":"","rewrite_tracker_notified":""},"categories":[6,2],"tags":[],"class_list":["post-17906","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai-glossary","category-claude-tips"],"_links":{"self":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/17906","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/comments?post=17906"}],"version-history":[{"count":2,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/17906\/revisions"}],"predecessor-version":[{"id":17908,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/posts\/17906\/revisions\/17908"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/media\/17905"}],"wp:attachment":[{"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/media?parent=17906"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/categories?post=17906"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/genai-ai.co.jp\/ai-kanri\/wp-json\/wp\/v2\/tags?post=17906"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}