{"provider_url":"https://hatena.blog","published":"2026-03-08 21:00:00","version":"1.0","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/B/BG1/20260224/20260224151837.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbg1.hatenablog.com%2Fentry%2F2026%2F03%2F08%2F210000\" title=\"fopen(\u623b\u308a\u5024\u304cNULL) - \u8eca\u8f2a\u306ex\u767a\u660e ~B.G&#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>","title":"fopen(\u623b\u308a\u5024\u304cNULL)","categories":["C\u8a00\u8a9e"],"author_url":"https://blog.hatena.ne.jp/BG1/","blog_url":"https://bg1.hatenablog.com/","type":"rich","url":"https://bg1.hatenablog.com/entry/2026/03/08/210000","provider_name":"Hatena Blog","height":"190","width":"100%","author_name":"BG1","description":"fopen\u306b\u5931\u6557\u3059\u308b\u3068NULL\u304c\u8fd4\u308b\u3002Man page of FOPENfopen.c\u3067\u3001\u3068\u66f8\u304f\u3002 \u5b58\u5728\u3057\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3053\u3046\u3068\u3059\u308b\u3068\u3001\u3053\u3046\u306a\u308b\u3002\u5b58\u5728\u3057\u306a\u3044\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3053\u3046\u3068\u3059\u308b\u3068\u3001\u3053\u3046\u306a\u308b\u3002Sample/c/fopen/return_value_NULL/src/fopen at master \u00b7 bg1bgst333/Sample \u00b7 GitHub","blog_title":"\u8eca\u8f2a\u306ex\u767a\u660e ~B.G's Blog~"}