{"version":"1.0","width":"100%","blog_url":"https://izumiyou-sacrifice.hatenablog.com/","categories":["\u3044\u3064\u3082\u306e\u65e5\u8a18\u3002"],"type":"rich","url":"https://izumiyou-sacrifice.hatenablog.com/entry/2011/07/16/204640","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fizumiyou-sacrifice.hatenablog.com%2Fentry%2F2011%2F07%2F16%2F204640\" title=\"\u5171\u7528\u4f53\u3002 - \u3055\u3044\u3051\u3067\u308a\u3063\u304f\u30fb\u3048\u3044\u3058\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"izumiyou_sacrifice","description":"\u3084\u3063\u3071\u99c4\u76ee\u3060\u3002\u8d85\u6c17\u306b\u306a\u308b\u306e\u3067\u6539\u3081\u3066\u66f8\u304d\u307e\u3059\u3002 C\u8a00\u8a9e\u304c\u5206\u304b\u308b\u4eba\u306b\u8cea\u554f\u3002 \u5171\u7528\u4f53(union)\u3063\u3066\u3042\u308b\u3058\u3083\u306a\u3044\uff1f \u3042\u308c\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u3002 union Uni { AAA str; //\u6587\u5b57\u30b3\u30fc\u30c9\u3092\u683c\u7d0d\u3059\u308b BBB num; //\u6570\u5b57\u3092\u683c\u7d0d\u3059\u308b }; union Uni u; \u3053\u3053\u3067\u3001\u578bAAA\u3068\u578bBBB\u306f\u3069\u3061\u3089\u3082\u72ec\u81ea\u5b9a\u7fa9\u3067\u5171\u306b2byte\u9818\u57df\u3068\u3057\u307e\u3059\u3002 \u3064\u307e\u308a\u3001str\u3068num\u306f\u5168\u304f\u540c\u3058\u30e1\u30e2\u30ea\u3092\u4f7f\u3063\u3066\u308b\u3068\u3044\u3046\u3053\u3068\u3002 \u3053\u306e\u5171\u7528\u4f53Uni\u306b\u3064\u3044\u3066\u3001str\u306b0x0001\u3092\u683c\u7d0d\u3057\u305f\u3044\u76ee\u7684\u3067 u.num = 0x0001; \u3068\u66f8\u304f\u306e\u306f\u3001\u90aa\u9053\u6975\u307e\u308a\u306a\u3044\u3068\u601d\u3046\u3093\u3060\u3051\u3069\u3069\u3046\u3067\u3059\u304b\u3002 \u305d\u308c\u306f\u304a\u524d\u3001\u3084\u3063\u3061\u3083\u99c4\u76ee\u3060\u308d\u3046\uff01\uff1f \u2026","author_url":"https://blog.hatena.ne.jp/izumiyou_sacrifice/","title":"\u5171\u7528\u4f53\u3002","blog_title":"\u3055\u3044\u3051\u3067\u308a\u3063\u304f\u30fb\u3048\u3044\u3058","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","published":"2011-07-16 20:46:40","height":"190"}