client.cpp

C++Builder网络应用例程. C++Builder网络应用例程.

#include <winsock.h>
#include <stdio.h>
#pragma hdrstop
#include <condefs.h>


//---------------------------------------------------------------------------
#pragma argsused
int main(int argc, char* argv[])
{
 WORD wVersionRequested;
 WSADATA wsaData;

 wVersionRequested=MAKEWORD(2,0);
 int err=WSAStartup(wVersionRequested,&wsaData);
 if(err==-1)
   {
    perror("WSAStartup");
    exit(1);
   }

 int sock,length,msgsock;
 struct sockaddr_in server;
 char buf[]="This is a test.";
 sock=socket(AF_INET,SOCK_STREAM,0);
 if(sock<0)
   {
    perror("Opening stream socket");
    exit(1);
   }

 server.sin_family=PF_INET;
 server.sin_port=htons(7016);
 server.sin_addr.s_addr=inet_addr("202.112.87.220");
 msgsock=connect(sock,(struct sockaddr*)&server,sizeof(server));

 length=sizeof(buf);
 int rval=send(sock,buf,length,MSG_OOB);
 if(rval!=length)
   {
    perror("Sending stream error");
    getchar();
    exit(1);
   }
 closesocket(msgsock);
 WSACleanup();
 return 0;
}