codeexm4.htm
来自「《计算机网络与因特网》(原书第4版) 作者:Douglas Comer博士 」· HTM 代码 · 共 96 行
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96 行
<HTML><HEAD><TITLE>NETBOOK - Code Sample EXM4</TITLE></HEAD><BODY BGCOLOR="#FFFFFF"><P><TABLE BORDER="0" CELLPADDING="5" CELLSPACING="0" WIDTH="600"><TR> <TD WIDTH="112" VALIGN="TOP" BGCOLOR="#759AC4" CELLPADDING="0"><img src="../pgmatrls/sidebar.gif" width="112" height="410" usemap="#sidebar" ismap alt="" border="0" ><map name="sidebar"><area shape="rect" coords="0,325,100,364" href="../othrpags/page22.htm" ><area shape="rect" coords="0,287,100,326" href="../othrpags/page17.htm" ><area shape="rect" coords="0,248,100,287" href="../othrpags/page18.htm" ><area shape="rect" coords="0,364,100,404" href="../othrpags/code.htm" ><area shape="rect" coords="0,210,100,248" href="../othrpags/page15.htm" ><area shape="rect" coords="0,170,100,210" href="../othrpags/page03.htm" ><area shape="rect" coords="0,132,100,170" href="../othrpags/page10.htm" ><area shape="rect" coords="0,93,100,132" href="../index.htm" ><AREA SHAPE="DEFAULT" NOHREF></map> </TD><TD WIDTH="420" VALIGN="TOP" BGCOLOR="#FFFFFF"><CENTER><H1>Code Sample EXM4</H1></CENTER><PRE>/* echoserver.c */#include <stdlib.h>#include <stdio.h>#include <cnaiapi.h>#define BUFFSIZE 256/*----------------------------------------------------------------------- * * Program: echoserver * Purpose: wait for a connection from an echoclient and echo data * Usage: echoserver <appnum> * *----------------------------------------------------------------------- */intmain(int argc, char *argv[]){ connection conn; int len; char buff[BUFFSIZE]; if (argc != 2) { (void) fprintf(stderr, "usage: %s <appnum>\n", argv[0]); exit(1); } /* wait for a connection from an echo client */ conn = await_contact((appnum) atoi(argv[1])); if (conn < 0) exit(1); /* iterate, echoing all data received until end of file */ while((len = recv(conn, buff, BUFFSIZE, 0)) > 0) (void) send(conn, buff, len, 0); send_eof(conn); return 0;}</PRE><p><p><p><HR WIDTH=89% ALIGN=CENTER SIZE=2><center><h2>Item information</h2></center><p><TABLE CELLSPACING="0"><TD ALIGN="LEFT" VALIGN="TOP">Caption:</TD><TD ALIGN="LEFT"></TD><TR><TD ALIGN="LEFT">Code sample:</TD><TD ALIGN="LEFT">EXM4</td><tr><TD ALIGN="LEFT">Type:</TD><TD ALIGN="LEFT">code sample</TD><TR><TD ALIGN="LEFT">Item:</TD><TD ALIGN="LEFT"><A HREF="./codeEXM4.txt">Code sample EXM4</A> without caption</TD><TR><TD ALIGN="LEFT">Keywords:</TD><TD ALIGN="LEFT">network API</TR></TABLE></tr></TABLE></BODY></HTML>⌨️ 快捷键说明
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