{"id":2155,"date":"2025-06-26T10:44:03","date_gmt":"2025-06-26T02:44:03","guid":{"rendered":"https:\/\/www.madbull.site\/?p=2155"},"modified":"2025-06-26T10:44:03","modified_gmt":"2025-06-26T02:44:03","slug":"%e5%88%a4%e6%96%ad%e7%bb%99%e5%ae%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%98%af%e4%b8%8d%e6%98%afip%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"https:\/\/www.madbull.site\/?p=2155","title":{"rendered":"\u5224\u65ad\u7ed9\u5b9a\u5b57\u7b26\u4e32\u662f\u4e0d\u662fIP\u5730\u5740"},"content":{"rendered":"\n<p>\u5728\u6628\u5929\u7684\u535a\u6587\u91cc\u5206\u4eab\u4e86\u4e00\u4e2a \u4e3b\u673a\u540d \u8f6c\u5316\u6210 IP \u5730\u5740\u7684\u65b9\u6cd5\uff0c\u5177\u4f53\u53c2\u770b\u6628\u5929\u7684\u6587\u7ae0\uff1a<a href=\"https:\/\/www.madbull.site\/?p=2150\">https:\/\/www.madbull.site\/?p=2150<\/a><\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u4f46\u662f\u5728\u4f7f\u7528\u4e4b\u524d\uff0c\u9700\u8981\u5bf9\u63d0\u4f9b\u7684\u5b57\u7b26\u4e32\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u8bc6\u522b\u3002\u5982\u679c\u672c\u8eab\u63d0\u4f9b\u7684\u662fIP\u5730\u5740\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u6ca1\u5fc5\u8981\u518d\u505a\u8f6c\u6362\u4e86\u3002<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u4e0b\u9762\u5c31\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8bc6\u522b\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<pre class=\"wp-block-code\"><code>\/**\n * @brief \u5224\u65ad\u7ed9\u7684\u5b57\u7b26\u4e32\u662f\u4e0d\u662fIP\u5730\u5740\n *\n * @param str\n *\n * @return \n *\/\nint is_valid_ip(const char *str) {\n    struct in_addr addr4;\n    struct in6_addr addr6;\n\n    if (inet_pton(AF_INET, str, &amp;addr4) == 1) {\n        return 1; \/\/ IPv4\n    } else if (inet_pton(AF_INET6, str, &amp;addr6) == 1) {\n        return 2; \/\/ IPv6\n    }\n    return 0; \/\/ \u4e0d\u662f IP \u5730\u5740\n}<\/code><\/pre>\n\n\n\n<div style=\"margin-top:var(--wp--preset--spacing--20);margin-bottom:var(--wp--preset--spacing--20);height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>IPv4\u683c\u5f0f\u8fd4\u56de 1 \uff0cIPv6\u683c\u5f0f\u8fd4\u56de 2\uff0c\u4e0d\u662f IP \u5730\u5740\uff0c\u5c31\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528 getaddrinfo \u65b9\u6cd5\u67e5\u8be2 IP \u5730\u5740\u4e86\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f46\u662f\u5728\u4f7f\u7528\u4e4b\u524d\uff0c\u9700\u8981\u5bf9\u63d0\u4f9b\u7684\u5b57\u7b26\u4e32\u505a\u4e00\u4e2a\u7b80\u5355\u7684\u8bc6\u522b\u3002\u5982\u679c\u672c\u8eab\u63d0\u4f9b\u7684\u662fIP\u5730\u5740\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u6ca1\u5fc5\u8981\u518d\u505a\u8f6c\u6362\u4e86<\/p>\n","protected":false},"author":1,"featured_media":559,"comment_status":"open","ping_status":"open","sticky":false,"template":"single-with-sidebar","format":"standard","meta":{"footnotes":""},"categories":[156,154],"tags":[175,237],"class_list":["post-2155","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c-c","category-154","tag-c","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2155","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2155"}],"version-history":[{"count":1,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2155\/revisions"}],"predecessor-version":[{"id":2156,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/posts\/2155\/revisions\/2156"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=\/wp\/v2\/media\/559"}],"wp:attachment":[{"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.madbull.site\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}