{"description":"sizeof array\u3067\u3001array\u5168\u4f53\u306e\u30d0\u30a4\u30c8\u6570\u3092\u53d6\u5f97\u3057\u3066\u3001\u500b\u3005\u306e\u914d\u5217\u306e\u8981\u7d20\u306e\u30d0\u30a4\u30c8\u6570\u3067\u5272\u308b\u3002 \u914d\u5217\u306e\u4e2d\u8eab\u306f\u3069\u308c\u3082\u540c\u3058\u578b\u3060\u304b\u3089\u3001[0]\u306e\u30d0\u30a4\u30c8\u6570\u3068\u3001\u4ed6\u306e\u8981\u7d20\u306e\u30d0\u30a4\u30c8\u6570\u306f\u540c\u3058\u3002 #include <stdio.h> int main(void){ int array[42] = {0}; int array_size = sizeof array / sizeof array[0]; printf(\"size of array: %d\\n\",array_size); return 0; } \u53c2\u8003\uff1a \u300c\u306f\u3058\u3081\u3066\u306eC++\u300d\u6280\u8853\u8a55\u8ad6\u793e","author_name":"javascripter","title":"\u914d\u5217\u306e\u30b5\u30a4\u30ba\u306e\u53d6\u5f97","width":"100%","provider_name":"Hatena Blog","url":"https://javascripter.hatenablog.com/entry/20080830/1220061736","blog_url":"https://javascripter.hatenablog.com/","image_url":null,"version":"1.0","provider_url":"https://hatena.blog","type":"rich","categories":["c"],"blog_title":"\u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjavascripter.hatenablog.com%2Fentry%2F20080830%2F1220061736\" title=\"\u914d\u5217\u306e\u30b5\u30a4\u30ba\u306e\u53d6\u5f97 - \u7d20\u4eba\u304c\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3092\u52c9\u5f37\u3057\u3066\u3044\u305f\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2008-08-30 11:02:16","author_url":"https://blog.hatena.ne.jp/javascripter/","height":"190"}