The following example enumerates the CDROM drives installes in your computer.
#COMPILE EXE
#DIM ALL
#INCLUDE "SDL.INC"
FUNCTION PBMAIN () AS LONG
' Initialize SDL
IF SDL_Init(%SDL_INIT_CDROM) < 0 THEN
? "Couldn't initialize SDL" & SDL_GetError
#IF %DEF(%PB_CC32)
WAITKEY$
#ENDIF
EXIT FUNCTION
END IF
' Find out how many CD-ROM drives are connected to the system
LOCAL nDrives AS LONG
LOCAL i AS LONG
nDrives = SDL_CDNumDrives
FOR i = 0 TO nDrives - 1
? "Drive" & STR$(i) & " " & SDL_CDName(i)
NEXT
' Shut down SDL
SDL_Quit
#IF %DEF(%PB_CC32)
WAITKEY$
#ENDIF
END FUNCTION