EC> Could someone give me ideas on how to detect available 
 EC> drives (floppies, cdrom) 
 EC> but may not have a disk in them.  Basically, a DRIVES 
 EC> list in a filebrowser.

    ULONG usDisk;
    ULONG ulDrives;
    DosQueryCurrentDisk(&usDisk, &ulDrives);        /* get drive map */
    for (drv = 'A'; drv <= 'Z'; drv++) {
        if (ulDrives & 1)                   /* if the drive bit is set,  */
            Printf("Drive %c:\n", drv);     /* check it out.             */
        ulDrives >>= 1;
    }


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