{"provider_name":"Hatena Blog","author_name":"XuHuang","categories":["UNIX\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"description":"\u6a19\u6e96C\u306b\u306f\u30a8\u30e9\u30fc\u51e6\u7406\u95a2\u6570\u3068\u3057\u3066strerror()\u3068perror()\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u308b\u3002 #include #include #include #include int main(int argc, char *argv[]) { char *msg; msg = strerror(EACCES); fprintf(stderr, \"ENOENT: %s\\n\", msg); errno = EACCES; perror(argv[0]); exit(0); } # ./1.6 ENOENT: Permission denied ./1.6: Permission denied","provider_url":"https://hatena.blog","title":" 1.6 \u30a8\u30e9\u30fc\u51e6\u7406\u95a2\u6570","url":"https://xuhuang.hatenadiary.org/entry/20070819/1187524355","type":"rich","width":"100%","published":"2007-08-19 20:52:35","image_url":null,"height":"190","blog_url":"https://xuhuang.hatenadiary.org/","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxuhuang.hatenadiary.org%2Fentry%2F20070819%2F1187524355\" title=\" 1.6 \u30a8\u30e9\u30fc\u51e6\u7406\u95a2\u6570 - \uff23\u521d\u5fc3\u8005\u304cLinux\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u76ee\u6307\u3059\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_url":"https://blog.hatena.ne.jp/XuHuang/","blog_title":"\uff23\u521d\u5fc3\u8005\u304cLinux\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u76ee\u6307\u3059\u65e5\u8a18"}