HOOK_FREE         246 kern/kern_subr.c 			if ((flags & HOOK_FREE) != 0)
HOOK_FREE         486 net/if.c       	dohooks(ifp->if_detachhooks, HOOK_REMOVE | HOOK_FREE);
HOOK_FREE         256 sys/systm.h    #define dostartuphooks() dohooks(&startuphook_list, HOOK_REMOVE|HOOK_FREE)
HOOK_FREE         268 sys/systm.h    #define domountroothooks() dohooks(&mountroothook_list, HOOK_REMOVE|HOOK_FREE)