Function intmap_first_

ccan/ccan/intmap/intmap.c:159–175

}

void *intmap_first_(const struct intmap *map, intmap_index_t *indexp)
{
	const struct intmap *n;

	if (intmap_empty_(map)) {
		errno = ENOENT;
		return NULL;
	}
	
	n = map;
	/* Anything with NULL value is a node. */
	while (!n->v)
		n = &n->u.n->child[0];
	errno = 0;
	*indexp = n->u.i;
	return n->v;
}
		
void *intmap_after_(const struct intmap *map, intmap_index_t *indexp)
{