{"id":8673,"date":"2024-03-14T08:30:49","date_gmt":"2024-03-14T08:30:49","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-sockaddr-in-c-language\/"},"modified":"2025-08-03T08:10:01","modified_gmt":"2025-08-03T08:10:01","slug":"what-is-the-usage-of-sockaddr-in-c-language","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-sockaddr-in-c-language\/","title":{"rendered":"sockaddr in C: Network Programming Guide"},"content":{"rendered":"<p>sockaddr is a generic socket address structure used in network programming to represent the address information of a socket. It is used to store the socket&#8217;s address family, port number, IP address, and other related information.<\/p>\n<p>In the C language, the sockaddr structure is typically used as a function parameter. For example, when calling the bind() function in socket programming, you need to pass a pointer to a sockaddr structure as an argument to specify the socket&#8217;s address information.<\/p>\n<p>The sockaddr structure is defined as follows:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-class\"><span class=\"hljs-keyword\">struct<\/span> <span class=\"hljs-title\">sockaddr<\/span> {<\/span>\r\n    <span class=\"hljs-type\">unsigned<\/span> <span class=\"hljs-type\">short<\/span> sa_family; <span class=\"hljs-comment\">\/\/ \u5730\u5740\u65cf<\/span>\r\n    <span class=\"hljs-type\">char<\/span> sa_data[<span class=\"hljs-number\">14<\/span>]; <span class=\"hljs-comment\">\/\/ \u5730\u5740\u4fe1\u606f<\/span>\r\n};\r\n<\/code><\/pre>\n<p>In practical use, it is common to use derived structures from sockaddr, such as the sockaddr_in structure (for IPv4 socket addresses) or the sockaddr_in6 structure (for IPv6 socket addresses). Specific usage can be found in the corresponding network programming documentation or tutorials.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>sockaddr is a generic socket address structure used in network programming to represent the address information of a socket. It is used to store the socket&#8217;s address family, port number, IP address, and other related information. In the C language, the sockaddr structure is typically used as a function parameter. For example, when calling the [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[5620,381,3216,11797,1860],"class_list":["post-8673","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-c-sockets","tag-c-programming","tag-network-programming","tag-sockaddr","tag-socket-programming"],"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>sockaddr in C: Network Programming Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how sockaddr structures work in C socket programming. Master address handling for network connections with practical examples.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-usage-of-sockaddr-in-c-language\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"sockaddr in C: Network Programming Guide\" \/>\n<meta property=\"og:description\" content=\"Learn how sockaddr structures work in C socket programming. 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