const char *audio_format_name(int);
void afh_get_chunk(long unsigned chunk_num, struct afh_info *afhi,
void *map, const char **buf, size_t *len);
+uint32_t afh_get_largest_chunk_size(struct afh_info *afhi);
void afh_get_header(struct afh_info *afhi, void *map, const char **buf, size_t *len);
char *make_taginfo(char *title, char *artist, char *album, char *year,
char *comment);