{"id":386,"date":"2026-05-24T11:57:22","date_gmt":"2026-05-24T03:57:22","guid":{"rendered":"http:\/\/www.millscience.cn\/?p=386"},"modified":"2026-05-24T11:57:24","modified_gmt":"2026-05-24T03:57:24","slug":"tcptimeout","status":"publish","type":"post","link":"https:\/\/www.millscience.cn\/index.php\/tcptimeout\/","title":{"rendered":"TCP\u8d85\u65f6\u673a\u5236\u7ec3\u4e60"},"content":{"rendered":"\n<div class=\"wp-block-kevinbatdorf-code-block-pro cbp-has-line-numbers\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;--cbp-line-number-color:#D4D4D4;--cbp-line-number-width:calc(2 * 0.6 * .875rem);line-height:1.25rem;--cbp-tab-width:2;tab-size:var(--cbp-tab-width, 2)\"><span style=\"display:block;padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#1E1E1E\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"54\" height=\"14\" viewBox=\"0 0 54 14\"><g fill=\"none\" fill-rule=\"evenodd\" transform=\"translate(1 1)\"><circle cx=\"6\" cy=\"6\" r=\"6\" fill=\"#FF5F56\" stroke=\"#E0443E\" stroke-width=\".5\"><\/circle><circle cx=\"26\" cy=\"6\" r=\"6\" fill=\"#FFBD2E\" stroke=\"#DEA123\" stroke-width=\".5\"><\/circle><circle cx=\"46\" cy=\"6\" r=\"6\" fill=\"#27C93F\" stroke=\"#1AAB29\" stroke-width=\".5\"><\/circle><\/g><\/svg><\/span><span role=\"button\" tabindex=\"0\" style=\"color:#D4D4D4;display:none\" aria-label=\"\u590d\u5236\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" tabindex=\"-1\" aria-hidden=\"true\" readonly>\/**\n * @filename:    tcp_server.c\n * @brief:       tcp communication\n * @author:      philia\n * @date:        2026\/4\/19\n * @version:     ver1.0\n * @note         \u670d\u52a1\u7aef\u63a5\u6536\u6d88\u606f\uff0c\u5148\u8fd0\u884c\uff0c\u52a0\u516510\u79d2\u8d85\u65f6\u673a\u5236\n * CopyRight (c) 2026   philia  All Right Reseverd\n *\/\n#include &lt;stdio.h>\n#include &lt;sys\/types.h> \/* See NOTES *\/\n#include &lt;sys\/socket.h>\n#include &lt;netinet\/ip.h> \/* superset of previous *\/\n#include &lt;arpa\/inet.h>\n#include &lt;errno.h>\n#include &lt;string.h>\n#include &lt;stdlib.h>\n#include &lt;unistd.h>\n#include &lt;sys\/select.h>\n\nint main(int argc, const char *argv[])\n{\n\n    int tcp_socket = socket(AF_INET, SOCK_STREAM, 0);\n    if (tcp_socket == -1)\n    {\n        fprintf(stderr, \"tcp_socket error, errno:%d,%s\", errno, strerror(errno));\n        exit(-1);\n    }\n\n    struct sockaddr_in host_addr;\n\n    \/\/ hostaddr\u7ed3\u6784\u4f53\u8d4b\u503c\n    host_addr.sin_family = AF_INET;\n    host_addr.sin_port = htons(60001);\n    host_addr.sin_addr.s_addr = INADDR_ANY;\n\n    \/\/ \u7ed1\u5b9a\u5730\u5740\n    bind(tcp_socket, (struct sockaddr *)&amp;host_addr, sizeof(host_addr));\n\n    \/\/ \u76d1\u542c\n    listen(tcp_socket, 5);\n\n    \/\/ \u4f7f\u7528 setsockopt \u8bbe\u7f6e\u63a5\u6536\u8d85\u65f6\u673a\u5236 (Linux \u7cfb\u7edf\u4e0b\u5bf9 accept \u4e5f\u751f\u6548)\n    struct timeval timeout;\n    timeout.tv_sec = 10;\n    timeout.tv_usec = 0;\n    setsockopt(tcp_socket, SOL_SOCKET, SO_RCVTIMEO, &amp;timeout, sizeof(timeout));\n\n    printf(\"\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u8d85\u65f6\u65f6\u95f4 10 \u79d2...\\n\");\n\n    \/\/ \u63a5\u53d7\n    struct sockaddr_in dest_addr;\n    socklen_t size = sizeof(dest_addr);\n    int accepted_tcp = accept(tcp_socket, (struct sockaddr *)&amp;dest_addr, &amp;size);\n    if (accepted_tcp == -1)\n    {\n        \/\/ \u5224\u65ad\u662f\u5426\u4e3a\u8d85\u65f6\u5f15\u8d77\u7684\u9519\u8bef\n        if (errno == EAGAIN || errno == EWOULDBLOCK)\n        {\n            fprintf(stderr, \"\u8d85\u65f6\u62a5\u9519\uff1a10\u79d2\u5185\u65e0\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5\\n\");\n        }\n        else\n        {\n            perror(\"accept error\");\n        }\n        close(tcp_socket);\n        exit(-1);\n    }\n\n    \/\/ \u8bfb\u53d6\u6d88\u606f\n    char buf&#91;128&#93; = {0};\n    while (1)\n    {\n        read(accepted_tcp, &amp;buf, sizeof(buf));\n        printf(\"read is &#91;%s&#93;\\n\", buf);\n        bzero(buf, sizeof(buf));\n    }\n\n    close(tcp_socket);\n    return 0;\n}<\/textarea><\/pre><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"width:24px;height:24px\" fill=\"none\" viewBox=\"0 0 24 24\" stroke=\"currentColor\" stroke-width=\"2\"><path class=\"with-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M4.5 12.75l6 6 9-13.5\"><\/path><path class=\"without-check\" stroke-linecap=\"round\" stroke-linejoin=\"round\" d=\"M16.5 8.25V6a2.25 2.25 0 00-2.25-2.25H6A2.25 2.25 0 003.75 6v8.25A2.25 2.25 0 006 16.5h2.25m8.25-8.25H18a2.25 2.25 0 012.25 2.25V18A2.25 2.25 0 0118 20.25h-7.5A2.25 2.25 0 018.25 18v-1.5m8.25-8.25h-6a2.25 2.25 0 00-2.25 2.25v6\"><\/path><\/svg><\/span><pre class=\"shiki dark-plus\" style=\"background-color: #1E1E1E\" tabindex=\"0\"><code><span class=\"line\"><span style=\"color: #6A9955\">\/**<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@filename:<\/span><span style=\"color: #6A9955\">    tcp_server.c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@brief<\/span><span style=\"color: #6A9955\">:       tcp communication<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@author<\/span><span style=\"color: #6A9955\">:      philia<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@date<\/span><span style=\"color: #6A9955\">:        2026\/4\/19<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@version<\/span><span style=\"color: #6A9955\">:     ver1.0<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * <\/span><span style=\"color: #569CD6\">@note<\/span><span style=\"color: #6A9955\">         \u670d\u52a1\u7aef\u63a5\u6536\u6d88\u606f\uff0c\u5148\u8fd0\u884c\uff0c\u52a0\u516510\u79d2\u8d85\u65f6\u673a\u5236<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> * CopyRight (c) 2026   philia  All Right Reseverd<\/span><\/span>\n<span class=\"line\"><span style=\"color: #6A9955\"> *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;stdio.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;sys\/types.h&gt;<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #6A9955\">\/* See NOTES *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;sys\/socket.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;netinet\/ip.h&gt;<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #6A9955\">\/* superset of previous *\/<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;arpa\/inet.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;errno.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;string.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;stdlib.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;unistd.h&gt;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #C586C0\">#include<\/span><span style=\"color: #569CD6\"> <\/span><span style=\"color: #CE9178\">&lt;sys\/select.h&gt;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #DCDCAA\">main<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">argc<\/span><span style=\"color: #D4D4D4\">, <\/span><span style=\"color: #569CD6\">const<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> *<\/span><span style=\"color: #9CDCFE\">argv<\/span><span style=\"color: #569CD6\">[]<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">{<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> tcp_socket = <\/span><span style=\"color: #DCDCAA\">socket<\/span><span style=\"color: #D4D4D4\">(AF_INET, SOCK_STREAM, <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (tcp_socket == -<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">fprintf<\/span><span style=\"color: #D4D4D4\">(stderr, <\/span><span style=\"color: #CE9178\">&quot;tcp_socket error, errno:<\/span><span style=\"color: #9CDCFE\">%d<\/span><span style=\"color: #CE9178\">,<\/span><span style=\"color: #9CDCFE\">%s<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">, errno, <\/span><span style=\"color: #DCDCAA\">strerror<\/span><span style=\"color: #D4D4D4\">(errno));<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">exit<\/span><span style=\"color: #D4D4D4\">(-<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">struct<\/span><span style=\"color: #D4D4D4\"> sockaddr_in host_addr;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ hostaddr\u7ed3\u6784\u4f53\u8d4b\u503c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">host_addr<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">sin_family<\/span><span style=\"color: #D4D4D4\"> = AF_INET;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">host_addr<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">sin_port<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #DCDCAA\">htons<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #B5CEA8\">60001<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">host_addr<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">sin_addr<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">s_addr<\/span><span style=\"color: #D4D4D4\"> = INADDR_ANY;<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u7ed1\u5b9a\u5730\u5740<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">bind<\/span><span style=\"color: #D4D4D4\">(tcp_socket, (<\/span><span style=\"color: #569CD6\">struct<\/span><span style=\"color: #D4D4D4\"> sockaddr *)&amp;host_addr, <\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(host_addr));<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u76d1\u542c<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">listen<\/span><span style=\"color: #D4D4D4\">(tcp_socket, <\/span><span style=\"color: #B5CEA8\">5<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u4f7f\u7528 setsockopt \u8bbe\u7f6e\u63a5\u6536\u8d85\u65f6\u673a\u5236 (Linux \u7cfb\u7edf\u4e0b\u5bf9 accept \u4e5f\u751f\u6548)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">struct<\/span><span style=\"color: #D4D4D4\"> timeval timeout;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">timeout<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">tv_sec<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">10<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #9CDCFE\">timeout<\/span><span style=\"color: #D4D4D4\">.<\/span><span style=\"color: #9CDCFE\">tv_usec<\/span><span style=\"color: #D4D4D4\"> = <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">setsockopt<\/span><span style=\"color: #D4D4D4\">(tcp_socket, SOL_SOCKET, SO_RCVTIMEO, &amp;timeout, <\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(timeout));<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">printf<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;\u7b49\u5f85\u5ba2\u6237\u7aef\u8fde\u63a5\uff0c\u8d85\u65f6\u65f6\u95f4 10 \u79d2...<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u63a5\u53d7<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">struct<\/span><span style=\"color: #D4D4D4\"> sockaddr_in dest_addr;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #4EC9B0\">socklen_t<\/span><span style=\"color: #D4D4D4\"> size = <\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(dest_addr);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">int<\/span><span style=\"color: #D4D4D4\"> accepted_tcp = <\/span><span style=\"color: #DCDCAA\">accept<\/span><span style=\"color: #D4D4D4\">(tcp_socket, (<\/span><span style=\"color: #569CD6\">struct<\/span><span style=\"color: #D4D4D4\"> sockaddr *)&amp;dest_addr, &amp;size);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (accepted_tcp == -<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #6A9955\">\/\/ \u5224\u65ad\u662f\u5426\u4e3a\u8d85\u65f6\u5f15\u8d77\u7684\u9519\u8bef<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">if<\/span><span style=\"color: #D4D4D4\"> (errno == EAGAIN || errno == EWOULDBLOCK)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #DCDCAA\">fprintf<\/span><span style=\"color: #D4D4D4\">(stderr, <\/span><span style=\"color: #CE9178\">&quot;\u8d85\u65f6\u62a5\u9519\uff1a10\u79d2\u5185\u65e0\u5ba2\u6237\u7aef\u53d1\u8d77\u8fde\u63a5<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #C586C0\">else<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">            <\/span><span style=\"color: #DCDCAA\">perror<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;accept error&quot;<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        }<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">close<\/span><span style=\"color: #D4D4D4\">(tcp_socket);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">exit<\/span><span style=\"color: #D4D4D4\">(-<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #6A9955\">\/\/ \u8bfb\u53d6\u6d88\u606f<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #569CD6\">char<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #9CDCFE\">buf<\/span><span style=\"color: #D4D4D4\">&#91;<\/span><span style=\"color: #B5CEA8\">128<\/span><span style=\"color: #D4D4D4\">&#93; = {<\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">};<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">while<\/span><span style=\"color: #D4D4D4\"> (<\/span><span style=\"color: #B5CEA8\">1<\/span><span style=\"color: #D4D4D4\">)<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    {<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">read<\/span><span style=\"color: #D4D4D4\">(accepted_tcp, &amp;buf, <\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(buf));<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">printf<\/span><span style=\"color: #D4D4D4\">(<\/span><span style=\"color: #CE9178\">&quot;read is &#91;<\/span><span style=\"color: #9CDCFE\">%s<\/span><span style=\"color: #CE9178\">&#93;<\/span><span style=\"color: #D7BA7D\">\\n<\/span><span style=\"color: #CE9178\">&quot;<\/span><span style=\"color: #D4D4D4\">, buf);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">        <\/span><span style=\"color: #DCDCAA\">bzero<\/span><span style=\"color: #D4D4D4\">(buf, <\/span><span style=\"color: #569CD6\">sizeof<\/span><span style=\"color: #D4D4D4\">(buf));<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    }<\/span><\/span>\n<span class=\"line\"><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #DCDCAA\">close<\/span><span style=\"color: #D4D4D4\">(tcp_socket);<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">    <\/span><span style=\"color: #C586C0\">return<\/span><span style=\"color: #D4D4D4\"> <\/span><span style=\"color: #B5CEA8\">0<\/span><span style=\"color: #D4D4D4\">;<\/span><\/span>\n<span class=\"line\"><span style=\"color: #D4D4D4\">}<\/span><\/span><\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":388,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,13],"tags":[],"class_list":["post-386","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-embedded","category-learning"],"_links":{"self":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/386","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/comments?post=386"}],"version-history":[{"count":1,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/386\/revisions"}],"predecessor-version":[{"id":389,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/posts\/386\/revisions\/389"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/media\/388"}],"wp:attachment":[{"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/media?parent=386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/categories?post=386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.millscience.cn\/index.php\/wp-json\/wp\/v2\/tags?post=386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}