How to shave yet another cycle off getc/putc macros

Sun Jun 9 13:31:19 AEST 1985

Or maybe instead of changing getc and putc, we should teach the
compiler/optimizer to invert decrement/branch<0 ?: expressions so that
the optimizer can turn it into a sobgeq... (or sobgtr for branch<=0).
-- 
In-Real-Life: Chris Torek, Univ of MD Comp Sci Dept (+1 301 454 4251)
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