{"author_url":"https://blog.hatena.ne.jp/ktrito33/","width":"100%","published":"2024-04-04 01:59:00","description":"\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b\u306b\u306f strlen() \u3092\u4f7f\u3046\u3002\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b#include size_t strlen(const char *string);\u5f15\u6570string\u6587\u5b57\u5217\u623b\u308a\u5024\u5f15\u6570 string \u306e\u9577\u3055\u3002\u9577\u3055\u306b\u30cc\u30eb\u6587\u5b57\u306f\u542b\u307e\u308c\u306a\u3044\u3002\u4f8b\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u306f\u5909\u6570 buf \u306e\u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u8fd4\u3059\u3002char buf[] = \"Hello World!\"; printf(\"%d\\n\", strlen(buf)); /* \u2192 12 */\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u306e\u5834\u5408\u3001\u305d\u306e\u6587\u5b57\u3092\u8868\u3059\u306e\u306b\u5fc5\u8981\u306a\u30d0\u30a4\u30c8\u6570\u304c\u8fd4\u308bchar \u578b\u306e\u914d\u5217\u306b\u306f\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u3082\u683c\u7d0d\u3067\u304d\u308b\u3002\u30de\u30eb\u30c1\u30d0\u30a4\u30c8\u6587\u5b57\u3068\u306f\u3001\u305d\u306e\u6587\u5b57\u3092\u8868\u3059\u306e\u306b2\u30d0\u30a4\u30c8\u4ee5\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnmk365.hatenablog.jp%2Fentry%2F20240404%2F1712163540\" title=\"C\u8a00\u8a9e - \u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b | strlen() - \u6020\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":"ktrito33","title":"C\u8a00\u8a9e - \u6587\u5b57\u5217\u306e\u9577\u3055\u3092\u53d6\u5f97\u3059\u308b | strlen()","blog_title":"\u6020\u65e5\u8a18","image_url":null,"version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://nmk365.hatenablog.jp/","categories":["C\u8a00\u8a9e"],"height":"190","type":"rich","url":"https://nmk365.hatenablog.jp/entry/20240404/1712163540","provider_name":"Hatena Blog"}