isupper [C++ Reference]
Keywords: c,string,isupper
Date: 2008-10-14T15:42:02-0700

[[isupper]]
C++ Reference
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## isupper

Syntax:

        #include <cctype>
        int isupper( int ch );

The isupper() function returns non-zero if its argument is an uppercase letter. Otherwise, zero is returned.

Related Topics: islower, tolower

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