Function getsockopt

src/platforms/win/socket_win.cpp.hpp:243–249

}

int getsockopt(int sockfd, int level, int optname, void *optval, socklen_t *optlen) FL_NOEXCEPT {
    SOCKET sock = static_cast<SOCKET>(sockfd);
    int len = optlen ? static_cast<int>(*optlen) : 0;
    int result = ::getsockopt(sock, level, optname, static_cast<char*>(optval), &len);
    if (optlen) *optlen = static_cast<socklen_t>(len);
    return (result == SOCKET_ERROR) ? -1 : 0;
}

// Address Information
int getpeername(int sockfd, struct sockaddr *addr, socklen_t *addrlen) FL_NOEXCEPT {