source type(c)
    "raster-resources.c",
    "raster-cmdline-options.c",
    "raster.c",
    "raster-cache.c",
    "raster-canvas.c",
    "raster-changes.c",
    "raster-line.c",
    "raster-line-changes.c",
    "raster-line-changes-sprite.c",
    "raster-modes.c",
    "raster-sprite.c",
    "raster-sprite-status.c",
    "raster-sprite-cache.c"
