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<HTML><HEAD><TITLE>NETBOOK - Code Sample EXM5</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 EXM5</H1></CENTER><PRE>/* webclient.c */#include <stdlib.h>#include <stdio.h>#include <cnaiapi.h>#define BUFFSIZE 256/*----------------------------------------------------------------------- * * Program: webclient * Purpose: fetch page from webserver and dump to stdout with headers * Usage: webclient <compname> <path> [appnum] * Note: Appnum is optional. If not specified the standard www appnum * (80) is used. * *----------------------------------------------------------------------- */intmain(int argc, char *argv[]){ computer comp; appnum app; connection conn; char buff[BUFFSIZE]; int len; if (argc < 3 || argc > 4) { (void) fprintf(stderr, "%s%s%s", "usage: ", argv[0], " <compane> <path> [appnum]\n"); exit(1); } /* convert arguments to binary computer and appnum */ comp = cname_to_comp(argv[1]); if (comp == -1) exit(1); if (argc == 4) app = (appnum) atoi(argv[3]); else if ((app = appname_to_appnum("www")) == -1) exit(1); /* contact the web server */ conn = make_contact(comp, app); if (conn < 0) exit(1); /* send an HTTP/1.0 request to the webserver */ len = sprintf(buff, "GET %s HTTP/1.0\r\n\r\n", argv[2]); (void) send(conn, buff, len, 0); /* dump all data received from the server to stdout */ while((len = recv(conn, buff, BUFFSIZE, 0)) > 0) (void) write(STDOUT_FILENO, buff, len); 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">EXM5</td><tr><TD ALIGN="LEFT">Type:</TD><TD ALIGN="LEFT">code sample</TD><TR><TD ALIGN="LEFT">Item:</TD><TD ALIGN="LEFT"><A HREF="./codeEXM5.txt">Code sample EXM5</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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