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C++
isdigit (3C++std) - Tru64 UNIX
Standard C++ Library
Copyright 1996, Rogue Wave Software, Inc.

NAME

  isdigit - Determines if a character is a decimal digit.

SYNOPSIS

  #include <locale>

  template <class charT>
  bool isdigit (charT c, const locale& loc) const;

DESCRIPTION

  The isdigit function returns true if the character passed as a parameter is
  a decimal digit, otherwise the function returns false.   The check is made
  using the ctype facet from the locale parameter.

SEE ALSO

  other is_ functions, locale, ctype

STANDARDS CONFORMANCE

  ANSI X3J16/ISO WG21 Joint C++ Committee
  

1.800.AT.COMPAQ

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