source type(c)
    "drive-check.c",
    "drive-cmdline-options.c",
    "drive-overflow.c",
    "drive-resources.c",
    "drive-snapshot.c",
    "drive-sound.c",
    "drive-writeprotect.c",
    "drive.c",
    "drivecpu.c",
    "driveimage.c",
    "drivemem.c",
    "driverom.c",
    "drivesync.c",
    "rotation.c"