kern_accept4
error = kern_accept4(td, s, (struct sockaddr *)&ss, bflags, &fp);
error = kern_accept4(td, s, (struct sockaddr *)&ss, flags, &fp);
return (kern_accept4(td, s, sa, ACCEPT4_INHERIT, fp));
int kern_accept4(struct thread *td, int s, struct sockaddr *sa,