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Apache C++ Standard Library Reference Guide

isupper()

Library:  Localization


Function

Local Index

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Summary

Local convenience function that determines whether a character is upper case

Synopsis

#include <locale>

namespace std {
  template <class charT> 
  bool isupper(charT c, const locale& loc);
}

Description

The isupper() function returns true if the character passed as a parameter is upper case. Otherwise, the function returns false. The check is made using the ctype facet from the locale parameter.

See Also

ctype, locale, isalnum(), isalpha(), iscntrl(), isdigit(), isgraph(), islower(), isprint(), ispunct(), isspace(), isxdigit()

Standards Conformance

ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section 22.1.3.1



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