I have been informed to use __RCSID() in some code, but I find most
kernel sources use __KERNEL_RCSID() (which evaluates to the same thing
for ELF and a.out).

I am not sure which to use, and in the case __KERNEL_RCSID() there are
two arguments.  What is the first argument to __KERNEL_RCSID for?

-- 
Garrett D'Amore                          http://www.tadpolecomputer.com/
Sr. Staff Engineer          Extending the Power of 64-bit UNIX Computing
Tadpole Computer, Inc.                             Phone: (951) 325-2134