1.簡單伺服器
//#include
//#pragma comment(lib,"ws2_32.lib")
wsadata wsd;
static uint port=%%1;
uint listen(lpvoid pparam)
sserver=socket(af_inet,sock_stream,ipproto_tcp);
if(invalid_socket==sserver)
sockaddr_in addrserv;
addrserv.sin_family=af_inet;
addrserv.sin_port=htons((short)pparam);
addrserv.sin_addr.s_addr=inaddr_any;
retval=bind(sserver,(lpsockaddr)&addrserv,sizeof(sockaddr_in));
if(socket_error==retval)
retval=listen(sserver,1);
if(socket_error==retval)
sockaddr_in addrclient;
int addrclientlen=sizeof(addrclient);
sclient=accept(sserver,(sockaddr far*)&addrclient,&addrclientlen);
if(invalid_socket==sclient)
zeromemory(buf,sizeof(buf));
retval=recv(sclient,buf,sizeof(buf),0);
if(socket_error==retval)
cstring %%2(buf);
closesocket(sserver);
closesocket(sclient);
wsacleanup();
return 0;
}cwinthread *pthread=afxbeginthread(listen,&port);
2.簡單客戶端
//#include
//#pragma comment(lib,"ws2_32.lib")
wsadata wsd;
socket shost;
sockaddr_in servaddr;
char buf[1024];
int retval;
if(wsastartup(makeword(2,2),&wsd)!=0)
shost=socket(af_inet,sock_stream,ipproto_tcp);
if(invalid_socket==shost)
servaddr.sin_family=af_inet;
servaddr.sin_addr.s_addr=inet_addr(%%3);
servaddr.sin_port=htons((short)%%2);
int nservaddlen=sizeof(servaddr);
retval=connect(shost,(lpsockaddr)&servaddr,sizeof(servaddr));
if(socket_error==retval)
zeromemory(buf,sizeof(buf));
strcpy(buf,%%3);
retval=send(shost,buf,sizeof(buf),0);
if(socket_error==retval)
closesocket(shost);
wsacleanup();
3.獲得本機ip
//#include
//#pragma comment(lib,"ws2_32.lib")
wsadata wsd;
if(wsastartup(makeword(2,2),&wsd)!=0)
char szhostname[100],szhostaddress[200];
if(gethostname(szhostname,sizeof(szhostname))!=socket_error)
}else
return;
cstring %%1(szhostaddress);
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