SOCKET_ERROR
sock_err = SOCKET_ERROR;
if (err == SOCKET_ERROR)
if (err == SOCKET_ERROR)
sock_err = SOCKET_ERROR;
sock_err = SOCKET_ERROR;
SOCKET_ERROR)
if ((n != SOCKET_ERROR) && (WSAGetLastError() != WSAEWOULDBLOCK)) {
if (n == SOCKET_ERROR) {
return( rc == SOCKET_ERROR ? -1 : rc );