boot_volume_descriptor
boot_volume_descriptor *bvd;
bvd = (boot_volume_descriptor *)buffer;
boot_volume_descriptor *bvd);
output_image(FILE *outfile, const char *filename, boot_volume_descriptor *bvd __unused)
boot_volume_descriptor *boot_descriptor;
boot_volume_descriptor *bvdData =
(boot_volume_descriptor*)bvd->volumeDescriptorData;
(boot_volume_descriptor*) bvd->volumeDescriptorData;