SetSockOpt
if (debug && SetSockOpt(net, SOL_SOCKET, SO_DEBUG, 1) < 0) {
(SetSockOpt(net, SOL_SOCKET, SO_DEBUG, debug)) < 0) {
if (net > 0 && SetSockOpt(net, SOL_SOCKET, SO_DEBUG, 0, 0) < 0)
int SetSockOpt(int fd, int level, int option, int yesno);
if (SetSockOpt(net, SOL_SOCKET, SO_OOBINLINE, 1) == -1)