C preprocessor portability question -- initial #

[Roy Smith]

	Back in the "good old days" (i.e. v6) a c source file was only run
through the preprocessor if the first character in the file was a '#'.  Are
there any systems out there that still enforce this, or is it strictly a
relic of the past?
-- 
Roy Smith, {allegra,philabs}!phri!roy
System Administrator, Public Health Research Institute
455 First Avenue, New York, NY 10016

"you can't spell unix without deoxyribonucleic!"