{"id":94874,"date":"2024-03-21T18:30:36","date_gmt":"2024-03-21T09:30:36","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e8%a6%81%e7%b4%a0%e6%95%b0%e3%82%92%e6%95%b0%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T00:38:51","modified_gmt":"2024-04-04T15:38:51","slug":"c%e8%a8%80%e8%aa%9e%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e8%a6%81%e7%b4%a0%e6%95%b0%e3%82%92%e6%95%b0%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e8%a8%80%e8%aa%9e%e3%81%a7%e9%85%8d%e5%88%97%e3%81%ae%e8%a6%81%e7%b4%a0%e6%95%b0%e3%82%92%e6%95%b0%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"c\u8a00\u8a9e\u3067\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6570\u3048\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>C\u8a00\u8a9e\u306esizeof\u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u306e\u6570\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u914d\u5217\u306e\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u30921\u3064\u306e\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u3067\u5272\u308a\u307e\u3059\u3002\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;stdio.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">()<\/span> {\r\n    <span class=\"hljs-type\">int<\/span> arr[] = {<span class=\"hljs-number\">1<\/span>, <span class=\"hljs-number\">2<\/span>, <span class=\"hljs-number\">3<\/span>, <span class=\"hljs-number\">4<\/span>, <span class=\"hljs-number\">5<\/span>};\r\n    <span class=\"hljs-type\">int<\/span> size = <span class=\"hljs-keyword\">sizeof<\/span>(arr) \/ <span class=\"hljs-keyword\">sizeof<\/span>(arr[<span class=\"hljs-number\">0<\/span>]);\r\n    \r\n    <span class=\"hljs-built_in\">printf<\/span>(<span class=\"hljs-string\">\"\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u4e3a\uff1a%d\\n\"<\/span>, size);\r\n\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u306b\u3088\u308b\u65e5\u672c\u8a9e\u3067\u306e\u8a00\u3044\u63db\u3048<\/p>\n<pre class=\"post-pre\"><code>\u6570\u7ec4\u4e2d\u5143\u7d20\u7684\u4e2a\u6570\u4e3a\uff1a5\r\n<\/code><\/pre>\n<p>\u672c\u4f8b\u4e2d\u3001sizeof(arr)\u306f\u914d\u5217\u5168\u4f53\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3057\u3001sizeof(arr[0])\u306f1\u3064\u306e\u8981\u7d20\u306e\u5927\u304d\u3055\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u305d\u308c\u304b\u3089\u914d\u5217\u5168\u4f53\u306e\u5927\u304d\u3055\u30921\u3064\u306e\u8981\u7d20\u306e\u5927\u304d\u3055\u3067\u5272\u308b\u3068\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u306e\u6570\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C\u8a00\u8a9e\u306esizeof\u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u306e\u6570\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u914d\u5217\u306e\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u30921\u3064\u306e\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u3067\u5272\u308a\u307e\u3059\u3002\u4f8b\uff1a #include &lt;stdio.h&gt; int main() { [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-94874","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>c\u8a00\u8a9e\u3067\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6570\u3048\u308b\u65b9\u6cd5 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/ja\/blog\/c\u8a00\u8a9e\u3067\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6570\u3048\u308b\u65b9\u6cd5\/\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"c\u8a00\u8a9e\u3067\u914d\u5217\u306e\u8981\u7d20\u6570\u3092\u6570\u3048\u308b\u65b9\u6cd5\" \/>\n<meta property=\"og:description\" content=\"C\u8a00\u8a9e\u306esizeof\u6f14\u7b97\u5b50\u3092\u7528\u3044\u3066\u3001\u914d\u5217\u5185\u306e\u8981\u7d20\u306e\u6570\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u914d\u5217\u306e\u5168\u4f53\u306e\u30b5\u30a4\u30ba\u30921\u3064\u306e\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u3067\u5272\u308a\u307e\u3059\u3002\u4f8b\uff1a #include &lt;stdio.h&gt; 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