audio_engine_symbols.h
games/tbs/include/audio_engine_symbols.h on GitHub
Enumerations, without a comment: AudioCommandMask, AudioCueControl.
Macros, without a comment: AUDIO_INITIAL_MODE.
Globals, without a comment: gFlash_Handler3, gMusicPlayerBgm, gMusicPlayerFanfare, gSound_Player3, gMusicPlayerVolumes, gMusicRestoreDelay, gMusicVolume, gMusicVolumeTarget, gMusicVolumeStep, gMusicPitch, gMusicPitchTarget, gMusicPitchStep, gAudioSecondaryState, gAudio_CommandMask.
Declarations, without a comment: Bios_CpuSet.