{"version":"1.0","author_url":"https://blog.hatena.ne.jp/shikaku/","type":"rich","author_name":"shikaku","description":"fopen()\u3067\u5931\u6557\u3057\u305f\u3068\u304d\u306e\u30a8\u30e9\u30fc\u306e\u7a2e\u985e\u3092\u77e5\u308b\u65b9\u6cd5\u3002 #include <stdio.h> #include <errno.h> void main(void) { FILE *fp = fopen( \"nofile.zzz\", \"r\" ); if( fp == NULL ){ printf( \"%d\\n\", errno ); } else{ fclose( fp ); } }\u3053\u3063\u3061\u3060\u3068\u30a8\u30e9\u30fc\u306e\u4e2d\u8eab\u3092\u6587\u5b57\u5217\u3067\u8868\u793a\u3002 #include <stdio.h> #include <errno.h> #include <string.h> int main(void) { FILE *fp = fop\u2026","image_url":null,"blog_title":"shikaku's blog","published":"2010-05-11 00:00:00","title":"\u30a8\u30e9\u30fc\u756a\u53f7\u306e\u53d6\u5f97 \u30a8\u30e9\u30fc\u5185\u5bb9\u306e\u53d6\u5f97","blog_url":"https://blog.systemjp.net/","url":"https://blog.systemjp.net/entry/20100511/p1","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.systemjp.net%2Fentry%2F20100511%2Fp1\" title=\"\u30a8\u30e9\u30fc\u756a\u53f7\u306e\u53d6\u5f97 \u30a8\u30e9\u30fc\u5185\u5bb9\u306e\u53d6\u5f97 - shikaku&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","categories":["C"],"width":"100%"}