I accidently wrote boot, instead of boot_ffs to /dev/rsd0c, which replaced
the first 50344 bytes of my disk.  Is there anyway I can possibly recover
from this?  I can still mount /dev/rsd0d, but not rsd0a because it is
corrupted. Some one tell me there is a magical tool to fix my disk? :-)
Or at least some way I can recover some of the data.

Thanks,
Jeff