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Apache C++ Standard Library Reference Guide

iscntrl()

Library:  Localization


Function

Local Index

No Entries

Summary

Locale convenience function that determines if a character is a control character

Synopsis

#include <locale>

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

Description

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

See Also

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

Standards Conformance

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



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