[comp.lang.c] char signedness

gwyn@smoke.BRL.MIL (Doug Gwyn) (08/13/89)

In article <4724@alvin.mcnc.org> spl@mcnc.org.UUCP (Steve Lamont) writes:
-In article <25999@amdcad.AMD.COM> tim@amd.com (Tim Olson) writes:
->Having the sign of chars be undefined allows the implementation to be as
->efficient as possible with respect to converting between chars and ints.
-Huh?  Are you telling us that the standard *allows* such a horrible
-thing?

It has to -- that's been a C language rule since way back (see K&R 1st
Edition, for example).