dh_cookie 171 net/if_vlan.c ifv->dh_cookie = NULL; dh_cookie 411 net/if_vlan.c ifv->dh_cookie = hook_establish(p->if_detachhooks, 1, dh_cookie 443 net/if_vlan.c if (ifv->dh_cookie != NULL) dh_cookie 444 net/if_vlan.c hook_disestablish(p->if_detachhooks, ifv->dh_cookie); dh_cookie 61 net/if_vlan_var.h void *dh_cookie;