{"author_url":"https://blog.hatena.ne.jp/nice20/","blog_url":"https://nice20.hatenadiary.org/","title":" memcpy\u3068\u69cb\u9020\u4f53\u76f4\u63a5\u4ee3\u5165","provider_url":"https://hatena.blog","url":"https://nice20.hatenadiary.org/entry/20070726/p1","width":"100%","provider_name":"Hatena Blog","version":"1.0","description":"\u76f4\u63a5\u4ee3\u5165\u304c\u4f7f\u3048\u308b\u306e\u306f\u77e5\u3063\u3066\u305f\u3051\u3069\u3001\u4fdd\u8a3c\u3055\u308c\u3066\u3044\u308b\u52d5\u4f5c\u306a\u306e\u304b\u5224\u3063\u3066 \u306a\u304b\u3063\u305f\u306e\u3067\u4eca\u307e\u3067\u4f7f\u3063\u3066\u306a\u304b\u3063\u305f\u3002\u3069\u3046\u3084\u3089ANSI C\u3067\u306fOK\u3068\u4e91\u3046\u3053\u3068\u3089\u3057\u3044\u3002 \u6298\u89d2\u306a\u306e\u3067\u3001\u3069\u308c\u3060\u3051\u5dee\u304c\u51fa\u308b\u306e\u304b\u8abf\u3079\u3066\u307f\u305f\u3002 \u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u4ee5\u4e0b struct addrinfo a1,a2; //memcpy\u7d4c\u7531 memcpy(&a1,&a2,sizeof(struct addrinfo)); //\u76f4\u63a5\u4ee3\u5165 a1 = a2; memcpy\u7248\u306edisassemble\u51fa\u529b (gcc3.4.4 -O0) 0x080483c1 <main+33>: push $0x20 0x080483c3 <main+35>: lea 0xfff\u2026","image_url":null,"published":"2007-07-26 00:00:00","author_name":"nice20","categories":["unix"],"height":"190","type":"rich","blog_title":"LowPriority","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnice20.hatenadiary.org%2Fentry%2F20070726%2Fp1\" title=\" memcpy\u3068\u69cb\u9020\u4f53\u76f4\u63a5\u4ee3\u5165 - LowPriority\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}