socket编程实例.doc

//:Definestheentrypointfortheconsoleapplication.//#include""#include<iostream>#include<>usingnamespacestd;intmain(intargc,char*argv[]){ //, WORDwVersionRequested; WSADATAwsaData; interr; wVersionRequested=MAKEWORD(2,0); err=WSAStartup(wVersionRequested,&wsaData); if(err!=0) { cout<<",Exit!"; return-1; } if(LOBYTE()!=2|| HIBYTE()!=0) { WSACleanup(); return-1; } //, SOCKETlistenSocket=socket( ,//work:UDP,TCP,etc SOCK_STREAM,//SOCK_STREAM说明是TCPsocket 0//protocol ); if(listenSocket==INVALID_SOCKET) { cout<<"Socket创建失败,Exit!"; return-1; } //,相当于给本地套接字赋值 sockaddr_inmyaddr; memset(&myaddr,0,sizeof(myaddr)); =; =inet_addr(""); =htons(7861); if(bind(listenSocket,(sockaddr*)&myaddr,sizeof(myaddr))==SOCKET_ERROR) return-1; // if(listen(listenSocket,5)==SOCKET_ERROR) { } else { cout<<"eed!"<<endl; } // SOCKETclientSocket=accept(listenSocket,NULL,NULL); if(clientSocket==INVALID_SOCKET) { cout<<"clientsocketerror,exit!"<<endl; return-1; } else { cout<<"acceptedclientsocket!"<<endl; charbuf[1024]; memset(buf,0,sizeof(buf)); intlen=recv(clientSocket,buf,1024,MSG_PEEK); if(len>0) { cout<<"接收"<<len<<"个字符:"<<buf<<endl; } } if(!closesocket(listenSocket)) { WSAGetLastError(); return-1; } if(!close