NAME

POSIX::1003::Confstr - POSIX access to confstr()

INHERITANCE

 POSIX::1003::Confstr
   is a POSIX::1003

SYNOPSIS

  use POSIX::1003::Confstr;   # import all

  use POSIX::1003::Confstr 'confstr';
  my $path = confstr('_CS_PATH');

  use POSIX::1003::Confstr '_CS_PATH';
  my $path = _CS_PATH;

  use POSIX::1003::Confstr '%confstr';
  my $key = $confstr{_CS_PATH};
  $confstr{_CS_NEW_CONF} = $key;

FUNCTIONS

Standard POSIX

confstr(NAME)

Returns the confstr value related to the NAMEd constant. The NAME must be a string. undef will be returned when the NAME is not known by the system.

example:

  my $path = confstr('_CS_PATH') || '/bin:/usr/bin';

Additional

confstr_names()

Returns a list with all known names, unsorted.

CONSTANTS

The exported variable %confstr is a HASH which maps _CS_* names on unique numbers, to be used with the system's confstr() function.

SEE ALSO

This module is part of POSIX-1003 distribution version 0.02, built on December 19, 2011. Website: http://perl.overmeer.net. The code is based on POSIX, which is released with Perl itself.

COPYRIGHTS

Copyrights of the perl code and the related documentation by 2011 by Mark Overmeer. For other contributors see ChangeLog.

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html