вот моя функция
typedef int ( PASCAL FAR *PWSASTARTUP )( WORD wVersionRequired, LPWSADATA lpWSAData );

DWORD WINAPI Func(LPVOID lpParam)
{
HMODULE hWinSock2 = LoadLibraryA("ws2_32.dll");
PWSASTARTUP pWSAStartup = (PWSASTARTUP)GetProcAddress(hWinSock2,"WSAStartup" );
WSADATA FWSAData ;
pWSAStartup(0x0202,&FWSAData);


}