{"published":"2021-05-06 14:40:52","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkoisuru-computer.hateblo.jp%2Fentry%2F9415335\" title=\"NULL\u3068&#39;\\0&#39;\u3068\u7a7a\u6587\u5b57\u306f\u5225\u7269 - \u2764\u604b\u3059\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u2764\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"\u2764\u604b\u3059\u308b\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u2764","author_name":"koisuru_com","author_url":"https://blog.hatena.ne.jp/koisuru_com/","type":"rich","categories":["C\u8a00\u8a9e"],"version":"1.0","image_url":null,"provider_name":"Hatena Blog","title":"NULL\u3068'\\0'\u3068\u7a7a\u6587\u5b57\u306f\u5225\u7269","provider_url":"https://hatena.blog","description":"Q. a[i] = NULL a[i] = '\\0' \u4e0a\u8a18\u306e\u3069\u3061\u3089\u304c\u6b63\u89e3\u304b\uff1f A. a[i] ='\\0' \u304c\u6b63\u89e3\u3067\u3042\u308b\u3002 a[i] = NULL\u3053\u308c\u306f\u5024\u304c\u30dd\u30a4\u30f3\u30bf\u3068\u6570\u5024\u3092\u6bd4\u8f03\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u70ba\u3067\u3042\u308b\u3002\u89e3\u8aacNULL \u3082\\0\u3082\u3044\u305a\u308c\u3082\u6570\u5b57\u306e0\u3092\u3042\u3089\u308f\u3057\u3066\u3044\u308b\u3002NULL \u3068\u306f\u30a2\u30c9\u30ec\u30b9\u304c0NULL \u306f\u30de\u30af\u30ed\u5b9a\u7fa9 #define NULL ((void)*0)\u3068\u3057\u3066\u3044\u308b\u3002'\\0' \u306f\u6587\u5b57\u30b3\u30fc\u30c9\uff08ASCII\u30b3\u30fc\u30c9\u8868\uff09\u306e\u5024\u304c0\u3067\u3042\u308b\u307e\u3068\u3081 0 \u6574\u6570\u306e0\u3002 NULL \u3069\u3053\u3082\u53c2\u7167\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u8868\u3059\u30dd\u30a4\u30f3\u30bf\u30fc\uff08\u30de\u30af\u30ed\uff09\u3002 \u5024\u306f\u30a2\u30c9\u30ec\u30b9\u306e0\u756a\uff08\u50240\uff09\u3002 \u7a7a\u6587\u5b57\uff08'\\0'\uff09 ASCII\u30b3\u30fc\u30c9\uff08\u6587\u5b57\u30b3\u30fc\u30c9\uff09\u50240\uff08NU\u2026","width":"100%","height":"190","url":"https://koisuru-computer.hateblo.jp/entry/9415335","blog_url":"https://koisuru-computer.hateblo.jp/"}