{"id":31573,"date":"2025-04-21T18:00:56","date_gmt":"2025-04-21T10:00:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31573.html"},"modified":"2025-04-21T18:00:56","modified_gmt":"2025-04-21T10:00:56","slug":"udp%e6%9c%8d%e5%8a%a1%e5%99%a8%e7%ae%80%e5%8d%95%e5%ae%9e%e7%8e%b0%ef%bc%88c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31573.html","title":{"rendered":"UDP\u670d\u52a1\u5668\u7b80\u5355\u5b9e\u73b0\uff08C\uff09"},"content":{"rendered":"<p>&nbsp;<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;UDP\u670d\u52a1\u7aef\u642d\u5efa\u8fc7\u7a0b &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1\u3001\u52a0\u8f7d\u5e93 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2\u3001\u521b\u5efasocket\u5957\u63a5\u5b57<\/p>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; 3\u3001\u7ed1\u5b9a\u5730\u5740IP &nbsp; &nbsp; &nbsp; &nbsp; 4\u3001\u6536\u53d1\u6570\u636e &nbsp; &nbsp; &nbsp; &nbsp; 5\u3001\u5173\u95ed\u5957\u63a5\u5b57 &nbsp; &nbsp; &nbsp; &nbsp; 6\u3001\u5378\u8f7d\u5e93<\/p>\n<h2>\u4e00\u3001\u52a0\u8f7d\u5e93<\/h2>\n<p>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\u8981\u7528\u5230Winsock2\u5e93\u91cc\u7684WSAStartup\u51fd\u6570\uff0c\u9700\u8981\u5305\u542b\u76f8\u5e94\u7684\u5934\u6587\u4ef6\u3002\u51fd\u6570\u7684\u8fd4\u56de\u503c\u662f\u4e00\u4e2a\u6574\u578b\uff0c\u901a\u8fc7\u67e5\u770bVS\u5b98\u65b9\u5e2e\u52a9\u6587\u6863\uff0c\u6211\u4eec\u5224\u65ad\u52a0\u8f7d\u5e93\u662f\u5426\u6210\u529f\u3002\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p> \/\/\u52a0\u8f7d\u5e93<br \/>\n    WORD wVersionRequested;<br \/>\n    WSADATA wsaData;<br \/>\n    int err;<\/p>\n<p>    \/* Use the MAKEWORD(lowbyte, highbyte) macro declared in Windef.h *\/<br \/>\n    wVersionRequested = MAKEWORD(2, 2);<\/p>\n<p>    err = WSAStartup(wVersionRequested, &amp;wsaData);<br \/>\n    if (err != 0) {<br \/>\n        \/* Tell the user that we could not find a usable *\/<br \/>\n        \/* Winsock DLL.                                  *\/<br \/>\n        printf(\\&#8221;WSAStartup failed with error: %d\\\\n\\&#8221;, err);<br \/>\n        return 1;<br \/>\n    }<\/p>\n<p>    \/* Confirm that the WinSock DLL supports 2.2.*\/<br \/>\n    \/* Note that if the DLL supports versions greater    *\/<br \/>\n    \/* than 2.2 in addition to 2.2, it will still return *\/<br \/>\n    \/* 2.2 in wVersion since that is the version we      *\/<br \/>\n    \/* requested.                                        *\/<\/p>\n<p>    if (LOBYTE(wsaData.wVersion) != <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1k\u6b21\uff0c\u70b9\u8d5e14\u6b21\uff0c\u6536\u85cf17\u6b21\u3002UDP\u5ba2\u6237\u7aef\u642d\u5efa\u8fc7\u7a0b1\u3001\u52a0\u8f7d\u5e932\u3001\u521b\u5efa\u5957\u63a5\u5b573\u3001\u6536\u53d1\u6570\u636e4\u3001\u5173\u95ed5\u3001\u5378\u8f7d\u5e93\u3002_udp\u670d\u52a1\u5668<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[193,43,191],"topic":[],"class_list":["post-31573","post","type-post","status-publish","format-standard","hentry","category-server","tag-udp","tag-43","tag-191"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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