Symbol: so_pru_attach
sys/kern/uipc_msg.c
154
return so_pru_attach(so, proto, NULL /* postattach */);
sys/kern/uipc_socket.c
276
error = so_pru_attach(so, proto, &ai);
sys/sys/socketops.h
78
int so_pru_attach (struct socket *so, int proto, struct pru_attach_info *ai);