void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);
void *fill_tree_descriptor(struct tree_desc *desc, const unsigned char *sha1);
typedef void (*traverse_callback_t)(int n, unsigned long mask, struct name_entry *entry, const char *base);
void traverse_trees(int n, struct tree_desc *t, const char *base, traverse_callback_t callback);