TCP通信_客戶端代碼_C++

#include <stdio.h>
#include <WinSock2.h>

#pragma comment(lib,"ws2_32.lib")

int main()
{
	SOCKET soc;
	SOCKADDR_IN serverAddr;
	SOCKADDR_IN clientAddr;

	unsigned char buf[1024];

	WSADATA wsa;
	WSAStartup(MAKEWORD(1,1),&wsa);

	if ((soc = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP)) <= 0)
	{
	printf("create socket fail!\n");
	return -1;
	}

	serverAddr.sin_family = AF_INET;
	serverAddr.sin_port = htons(10003);
	serverAddr.sin_addr.S_un.S_addr = inet_addr("10.11.2.251");

	if (connect(soc,(SOCKADDR *)&serverAddr,sizeof(serverAddr)) != 0)
	{
	printf("connect fail!\n");
	return -1;
	}

	while(1)
	{
	scanf("%s",buf);
	if (send(soc,(const char *)buf,strlen((const char *)buf)+1,0) <= 0)
	{
	printf("Error!\n");
	}
	}

	getchar();
	return 0;
}