# phpman > perldoc > ExtUtils::Constant::Utils

## NAME
    [ExtUtils::Constant::Utils](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant%3A%3AUtils/markdown) - helper functions for [ExtUtils::Constant](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant/markdown)

## SYNOPSIS
        use [ExtUtils::Constant::Utils](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant%3A%3AUtils/markdown) qw (C_stringify);
        $C_code = C_stringify $stuff;

## DESCRIPTION
    [ExtUtils::Constant::Utils](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant%3A%3AUtils/markdown) packages up utility subroutines used by [ExtUtils::Constant](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant/markdown),
    [ExtUtils::Constant::Base](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AConstant%3A%3ABase/markdown) and derived classes. All its functions are explicitly exportable.

## USAGE
    C_stringify NAME
        A function which returns a 7 bit ASCII correctly \ escaped version of the string passed
        suitable for C's "" or ''. It will die if passed Unicode characters.

    perl_stringify NAME
        A function which returns a 7 bit ASCII correctly \ escaped version of the string passed
        suitable for a perl "" string.

## AUTHOR
    Nicholas Clark <<nick@ccl4.org>> based on the code in "h2xs" by Larry Wall and others