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);
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);