Function _ng_hook_not_valid

freebsd/netgraph/netgraph.h:249–254

}

static __inline int
_ng_hook_not_valid(hook_p hook, char * file, int line)
{
	_chkhook(hook, file, line);
	return (_NG_HOOK_NOT_VALID(hook));
}

static __inline int
_ng_hook_is_valid(hook_p hook, char * file, int line)