Function ff_neterrno

libavformat/network.c:121–139

#if HAVE_WINSOCK2_H
int ff_neterrno(void)
{
    int err = WSAGetLastError();
    switch (err) {
    case WSAEWOULDBLOCK:
        return AVERROR(EAGAIN);
    case WSAEINTR:
        return AVERROR(EINTR);
    case WSAEPROTONOSUPPORT:
        return AVERROR(EPROTONOSUPPORT);
    case WSAETIMEDOUT:
        return AVERROR(ETIMEDOUT);
    case WSAECONNREFUSED:
        return AVERROR(ECONNREFUSED);
    case WSAEINPROGRESS:
        return AVERROR(EINPROGRESS);
    }
    return -err;
}
#endif

int ff_is_multicast_address(struct sockaddr *addr)