Symbol: kern_listen
sys/compat/linux/linux_socket.c
1077
return (kern_listen(td, args->s, args->backlog));
sys/kern/uipc_syscalls.c
258
return (kern_listen(td, uap->s, uap->backlog));
sys/sys/syscallsubr.h
244
int kern_listen(struct thread *td, int s, int backlog);