int string_list_has_string(const struct string_list *list, const char *string);
int string_list_find_insert_index(const struct string_list *list, const char *string,
int negative_existing_index);
-struct string_list_item *string_list_insert(const char *string, struct string_list *list);
+struct string_list_item *string_list_insert(struct string_list *list, const char *string);
struct string_list_item *string_list_insert_at_index(int insert_at,
const char *string, struct string_list *list);
struct string_list_item *string_list_lookup(const char *string, struct string_list *list);