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Function isallupper - are all characters in string
upper case
Syntax boolean isallupper(char *str);
Prototype in stringhk.h
Remarks checks if all characters in str are upper case.
Return value returns TRUE if all characters in str are upper
case, FALSE otherwise.
See also isallalpha(), isallalphanum(), isalllower()
See Also:
isallalpha()
isallalphanum()
isalllower()
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