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//server

#include?

#include?

#include?

#include?

#include?

#define?PORT?100

#define?socklen_tint

#pragma?comment(lib,?"wsock32.lib")

SOCKET?s;

SOCKET?client;

sockaddr_in?from;

void?ServerThread()

{

char?message[256];

while(1)

{

strcpy(message,"");

int?len=recv(client,message,sizeof(message),0);

if?(strcmp(message,"")!=0)

{

cout<

//cout<

message[len]='\0';

cout<

}

}

}

int?main()

{

sockaddr_in?srv;

int?fromlen=sizeof(from);

char?message[256]="Welcome!\n";

WSADATA?wsadata;

WORD?VersionRequested=MAKEWORD(1,1);

if?(WSAStartup(VersionRequested,&wsadata))

{

cout<

return?0;

}

s=socket(PF_INET,SOCK_STREAM,0);

if?(s==INVALID_SOCKET)

{

cout<

return?-1;

}

srv.sin_family=PF_INET;

srv.sin_addr.s_addr=htonl(INADDR_ANY);

srv.sin_port=htons(PORT);

if?(bind(s,(struct?sockaddr?*)&srv,sizeof(srv))!=0)

{

cout<

closesocket(s);

return?-1;

}

cout<

if?(listen(s,5)!=0)

{

cout<

return?-1;

}

while(1)

{

client=accept(s,(struct?sockaddr?*)&from,&fromlen);

send(client,message,strlen(message),0);

cout<

DWORD?Sthread;

CreateThread(NULL,0,(LPTHREAD_START_ROUTINE)(ServerThread),NULL,0,&Sthread);

while(fgets(message,strlen(message),stdin))

{

cout<

send(client,message,strlen(message),0);

}

}

closesocket(s);

WSACleanup();

}

總結

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