typedef int (*dirwalk_callback_f)(const char *dirname, const char *filename,
void *user_data);
int walk_directory (const char *dir, dirwalk_callback_f callback,
- void *user_data);
+ void *user_data, int hidden);
int read_file_contents (const char *filename, char *buf, int bufsize);
counter_t counter_diff (counter_t old_value, counter_t new_value);