accept4
return (INTERPOS_SYS(accept4, s, addr, addrlen, flags));
SLOT(accept4, __sys_accept4),
SLOT(accept4);
int accept4(int, struct sockaddr * __restrict, socklen_t * __restrict, int);
as = accept4(ls, NULL, NULL, SOCK_NONBLOCK);
s = accept4(fd, NULL, NULL, SOCK_NONBLOCK);
int fd = accept4(c->r->fd_listen,