Windows Socket

#include 
#include 
#include 

#pragma comment(lib, "ws2_32.lib")
int main()
{
	WSADATA wsaData = { 0 };
	int iResult = 0;

	WSAStartup(MAKEWORD(2, 2), &wsaData);
	if (iResult != 0)
	{
		return -1;
	}
	SOCKET listenSock = INVALID_SOCKET;
	listenSock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
	if (listenSock == INVALID_SOCKET)
	{
		return -2;
	}
	sockaddr_in sockAddr;
	inet_pton(AF_INET, "0.0.0.0", &sockAddr.sin_addr.S_un);
	sockAddr.sin_family = AF_INET;
	sockAddr.sin_port = htons(8888);

	iResult = bind(listenSock, (SOCKADDR *)&sockAddr, sizeof(sockaddr));
	if (iResult == SOCKET_ERROR)
	{
		return -4;
	}
	listen(listenSock, 10);
	sockaddr_in connAddr;
	int len = sizeof(sockaddr_in);
	char buf[10] = { 0 };
	memcpy(buf, "test", 5);
	SOCKET connSock = accept(listenSock, (SOCKADDR *)&connAddr, &len);
	len = send(connSock, buf, strlen(buf), 0);
	printf("%d \n", len);
	closesocket(connSock);
	WSACleanup();
	return 0;
}