Why is tolower behave different???

[Warren Tucker]

>>>Finally, it dawned on me that the function call tolower was to blame.
>>>On the VAX, the call did nothing if the char was already lowercase, while
>>>the Sun converted it anyway.

System 5-derived tolower() absolutely coverts, while BSD 
does the equivalent
   if isupper(ch) convert

ANSI aside, I'll always code
   if(isupper(ch))
		ch = tolower(ch);
to be safe.
 
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Warren Tucker, TuckerWare   emory!n4hgf!wht or wht at n4hgf.Mt-Park.GA.US
"It was electrons that brought down the Berlin Wall." -- Timothy Leary