Source to src/i_cdmus.h
// i_cdmus.h
#ifndef __ICDMUS__
#define __ICDMUS__
#define CDERR_NOTINSTALLED 10 // MSCDEX not installed
#define CDERR_NOAUDIOSUPPORT 11 // CD-ROM Doesn't support audio
#define CDERR_NOAUDIOTRACKS 12 // Current CD has no audio tracks
#define CDERR_BADDRIVE 20 // Bad drive number
#define CDERR_BADTRACK 21 // Bad track number
#define CDERR_IOCTLBUFFMEM 22 // Not enough low memory for IOCTL
#define CDERR_DEVREQBASE 100 // DevReq errors
extern int cd_Error;
int I_CDMusInit(void);
int I_CDMusPlay(int track);
int I_CDMusStop(void);
int I_CDMusResume(void);
int I_CDMusSetVolume(int volume);
int I_CDMusFirstTrack(void);
int I_CDMusLastTrack(void);
int I_CDMusTrackLength(int track);
#endif