{"id":18077,"date":"2024-03-16T08:20:14","date_gmt":"2024-03-15T23:20:14","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%a7findfirst%e3%81%a8findnext%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e6%a4%9c%e7%b4%a2%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95\/"},"modified":"2025-08-06T14:51:52","modified_gmt":"2025-08-06T05:51:52","slug":"c%e3%81%a7findfirst%e3%81%a8findnext%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e6%a4%9c%e7%b4%a2%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/c%e3%81%a7findfirst%e3%81%a8findnext%e3%82%92%e4%bd%bf%e7%94%a8%e3%81%97%e3%81%a6%e3%83%95%e3%82%a1%e3%82%a4%e3%83%ab%e3%82%92%e6%a4%9c%e7%b4%a2%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95%e3%81%af%e4%bd%95\/","title":{"rendered":"C++\u3067findfirst\u3068findnext\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002"},"content":{"rendered":"<p>C++\u3067\u306f\u3001findfirst\u3068findnext\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u6700\u521d\u306b\u3001\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u306e\u5f8c\u3001\u6700\u521d\u306e\u4e00\u81c0\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306bfindfirst\u95a2\u6570\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u4ee5\u4e0b\u304c\u305d\u306e\u69cb\u6587\u3067\u3059\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">findfirst<\/span><span class=\"hljs-params\">(<span class=\"hljs-type\">const<\/span> <span class=\"hljs-type\">char<\/span>* dirname, <span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-type\">_finddata_t<\/span>* fileinfo)<\/span><\/span>;\r\n<\/code><\/pre>\n<p>dirname\u306f\u3001\u691c\u7d22\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u540d\u3067\u3042\u308a\u3001fileinfo\u306f\u30d5\u30a1\u30a4\u30eb\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\u69cb\u9020\u4f53\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u5185\u306b\u3042\u308b\u3059\u3079\u3066\u306etxt\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u30b3\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;iostream&gt;<\/span><\/span>\r\n<span class=\"hljs-meta\">#<span class=\"hljs-keyword\">include<\/span> <span class=\"hljs-string\">&lt;io.h&gt;<\/span><\/span>\r\n\r\n<span class=\"hljs-function\"><span class=\"hljs-type\">int<\/span> <span class=\"hljs-title\">main<\/span><span class=\"hljs-params\">()<\/span> <\/span>{\r\n    <span class=\"hljs-type\">const<\/span> <span class=\"hljs-type\">char<\/span>* dirname = <span class=\"hljs-string\">\".\\\\\"<\/span>;\r\n    <span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title class_\">_finddata_t<\/span> fileinfo;\r\n    <span class=\"hljs-type\">int<\/span> handle = _findfirst(<span class=\"hljs-string\">\"*.txt\"<\/span>, &amp;fileinfo);\r\n    <span class=\"hljs-keyword\">if<\/span> (handle != <span class=\"hljs-number\">-1<\/span>) {\r\n        std::cout &lt;&lt; <span class=\"hljs-string\">\"Found file: \"<\/span> &lt;&lt; fileinfo.name &lt;&lt; std::endl;\r\n        <span class=\"hljs-keyword\">while<\/span> (_findnext(handle, &amp;fileinfo) == <span class=\"hljs-number\">0<\/span>) {\r\n            std::cout &lt;&lt; <span class=\"hljs-string\">\"Found file: \"<\/span> &lt;&lt; fileinfo.name &lt;&lt; std::endl;\r\n        }\r\n        _findclose(handle);\r\n    }\r\n    <span class=\"hljs-keyword\">else<\/span> {\r\n        std::cout &lt;&lt; <span class=\"hljs-string\">\"No file found.\"<\/span> &lt;&lt; std::endl;\r\n    }\r\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\r\n}\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u30b3\u30fc\u30c9\u3067\u306f\u3001&#8221;.\\&#8221;\u306f\u73fe\u5728\u306e\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3092\u8868\u3057\u3001&#8221;*.txt&#8221;\u306f\u691c\u7d22\u3059\u308b\u30d5\u30a1\u30a4\u30eb\u540d\u306e\u30de\u30c3\u30c1\u30f3\u30b0\u30d1\u30bf\u30fc\u30f3\u3092\u8868\u3057\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u3059\u3079\u3066\u306etxt\u30d5\u30a1\u30a4\u30eb\u3092\u6307\u3057\u307e\u3059\u3002\u6700\u521d\u306b\u30de\u30c3\u30c1\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u898b\u3064\u3051\u305f\u5f8c\u3001\u6b8b\u308a\u306e\u30de\u30c3\u30c1\u3057\u305f\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306bwhile\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>_findfirst\u3068_findnext\u95a2\u6570\u304c\u8fd4\u3059\u306e\u306f\u3001\u30cf\u30f3\u30c9\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u4f7f\u7528\u5f8c\u306b\u306f_findclose\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u3053\u306e\u30cf\u30f3\u30c9\u30eb\u3092\u9589\u3058\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>C++\u3067\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u969b\u306bfindfirst\u3068findnext\u95a2\u6570\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>C++\u3067\u306f\u3001findfirst\u3068findnext\u95a2\u6570\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u6700\u521d\u306b\u3001\u30d8\u30c3\u30c0\u30d5\u30a1\u30a4\u30eb\u3092\u542b\u3081\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u305d\u306e\u5f8c\u3001\u6700\u521d\u306e\u4e00\u81c0\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306bfindfirst\u95a2\u6570\u3092\u4f7f\u7528\u3067 [&hellip;]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[26,61],"class_list":["post-18077","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-26","tag-61"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C++\u3067findfirst\u3068findnext\u3092\u4f7f\u7528\u3057\u3066\u30d5\u30a1\u30a4\u30eb\u3092\u691c\u7d22\u3059\u308b\u65b9\u6cd5\u306f\u4f55\u3067\u3059\u304b\u3002 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