setsockopt 393 ext/net/net.c SCM_SYSCALL(r, setsockopt(s->fd, level, option, cvalue, size)); setsockopt 396 ext/net/net.c SCM_SYSCALL(r, setsockopt(s->fd, level, option, &v, sizeof(int))); setsockopt 481 ext/net/net.c r = setsockopt(INVALID_SOCKET, SOL_SOCKET,