-static int list_length(void **list)
-{
- int n;
-
- if (!list)
- return 0;
-
- n = 0;
- while (*list) {
- n++;
- list++;
- }
-
- return n;
-}
-
-static void **list_add(void **list, void *item)
-{
- int n;
- void **result;
-
- n = list_length(list);
-
- result = malloc((n + 1 + 1) * sizeof(void *));
-
- if (list)
- memcpy(result, list, n * sizeof(void *));
-
- result[n] = item;
- result[n + 1] = NULL;
-
- return result;
-}
-