{"published":"2016-02-24 00:00:00","description":"C\u8a00\u8a9e\u306e\u53ef\u5909\u5f15\u6570\u30ea\u30b9\u30c8\u3068\u6587\u5b57\u5217\uff08\u6587\u5b57\u578b\u3078\u306e\u30dd\u30a4\u30f3\u30bf\uff09\u3068\u30cc\u30eb\u30dd\u30a4\u30f3\u30bf\u306e\u95a2\u4fc2\u306b\u3064\u3044\u3066\u30e1\u30e2\u3002\u4e0b\u8a18\u30b3\u30fc\u30c9\u3067\u306fvoid*\u578b\u3092\u3082\u3064\u30de\u30af\u30edNULL\u306e\u5024*1\u3092\u3001\u95a2\u6570f\u5b9f\u88c5\u3067\u306fchar*\u578b\u3068\u3057\u3066\u5c55\u958b\u3059\u308b\u304c\u3001\u4e21\u30dd\u30a4\u30f3\u30bf\u578b\u306f\u4e92\u63db\u578b(compatible type)\u3068\u307f\u306a\u3055\u308c\u306a\u3044*2\u3002\u95a2\u6570\u547c\u3073\u51fa\u3057\u5074\u306b\u304a\u3051\u308b\u5b9f\u5f15\u6570\u306e\u578b\u3068\u3001\u30de\u30af\u30edva_arg\u547c\u3073\u51fa\u3057\u3067\u6307\u5b9a\u3059\u308b\u578b\u306f\u3001\u4e92\u63db\u578b\u3067\u306a\u3044\u3068\u672a\u5b9a\u7fa9\u52d5\u4f5c(undefined behavior)\u3092\u5f15\u304d\u8d77\u3053\u3059\u3002\u305f\u3060\u3057\u3001\u7279\u4f8b\u306b\u3088\u308avoid*\u3068char*\uff08\u304a\u3088\u3073\u305d\u306e\u4e92\u63db\u578b\uff09\u540c\u58eb\u306f\u30de\u30af\u30edva_arg\u306b\u3088\u308b\u5909\u63db\u304c\u8a31\u5bb9\u3055\u308c\u3066\u3044\u308b\u3002 #include <stdarg.h> #include <stdi\u2026","author_url":"https://blog.hatena.ne.jp/yohhoy/","provider_name":"Hatena Blog","blog_title":"yohhoy\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyohhoy.hatenadiary.jp%2Fentry%2F20160224%2Fp1\" title=\"\u53ef\u5909\u5f15\u6570\u30ea\u30b9\u30c8\u3068\u6587\u5b57\u5217\u3068\u30cc\u30eb\u30dd\u30a4\u30f3\u30bf\u306e\u7279\u5225\u306a\u95a2\u4fc2 - yohhoy\u306e\u65e5\u8a18\" 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":"yohhoy","image_url":null,"title":"\u53ef\u5909\u5f15\u6570\u30ea\u30b9\u30c8\u3068\u6587\u5b57\u5217\u3068\u30cc\u30eb\u30dd\u30a4\u30f3\u30bf\u306e\u7279\u5225\u306a\u95a2\u4fc2","categories":["C","C++"],"url":"https://yohhoy.hatenadiary.jp/entry/20160224/p1","height":"190","type":"rich","version":"1.0","blog_url":"https://yohhoy.hatenadiary.jp/","provider_url":"https://hatena.blog","width":"100%"}