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Autodocs
 Devices:
 cd.device
  CD_ADDCHANGEINT
  CD_ADDFRAMEINT
  CD_ATTENUATE
  CD_CHANGENUM
  CD_CHANGESTATE
  CD_CONFIG
  CD_EJECT
  CD_GETGEOMETRY
  CD_INFO
  CD_MOTOR
  CD_PAUSE
  CD_PLAYLSN
  CD_PLAYMSF
  CD_PLAYTRACK
  CD_PROTSTATUS
  CD_QCODELSN
  CD_QCODEMSF
  CD_READ
  CD_READXL
  CD_REMCHANGEINT
  CD_REMFRAMEINT
  CD_SEARCH
  CD_SEEK
  CD_TOCLSN
  CD_TOCMSF
  CloseDevice
  OpenDevice
Include
GuruMeditation
Docs » Autodocs » cd.device » CD_CHANGESTATE

NAME

       CD_CHANGESTATE -- check if a "valid" disk is currently in a drive.

FUNCTION

       This command checks to see if there is a "valid" disk in a drive.
   IO REQUEST INPUT
       io_Device       preset by the call to OpenDevice()
       io_Unit         preset by the call to OpenDevice()
       io_Command      CD_CHANGESTATE
   IO REQUEST RESULT
       io_Error - 0 for success, or an error code as defined in
                  <devices/cd.h>
       io_Actual - 0 means there is a disk while anything else indicates
                   there is no disk.

NOTES

       A "valid" disk is a disk with a readable table of contents.

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