findval(lst, val, cmp) list *lst; char *val; int (*cmp) ();
findval(list *lst, const char *val, int (*cmp)(const definition *, const char *))
findval(lst, val, cmp)	list *lst;	char *val;	int (*cmp) ();{	for (; lst != NULL; lst = lst->next) {		if ((*cmp) (lst->val, val)) {			return (lst->val);		}	}	return (NULL);}