Patch: Add TOUPPER/TOLOWER to system.h and clean up ctype stuff

[Kaveh R. Ghazi]

 > From: Michael Meissner <meissner@cygnus.com>
 > 
 > > Since sizeof char might not be one (e.g. c4x), maybe the following
 > > is best:
 >  
 > Umm, the ISO C standard requires that sizeof (char) == 1.  No ifs,
 > ands, or buts.  It does not however require that char take exactly
 > 8 bits, just at least 8 bits.  Granted, the c4x is probably
 > exposing places in GCC where the assumption is that char == 8 bits.

Okay, thanks for the info.

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Kaveh R. Ghazi			Engagement Manager / Project Services
ghazi@caip.rutgers.edu		Qwest Internet Solutions