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=encoding utf8 =head1 NAME POSIX::1003::Confstr - POSIX access to confstr() =head1 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} = $key; =head1 DESCRIPTION With C<confstr()> you can retreive string values from the operating system. It is the counterpart of C<sysconf()> which can only return numeric values. =head1 METHODS =head1 FUNCTIONS =head2 Standard POSIX =over 4 =item B<confstr>($name) Returns the confstr value related to the NAMEd constant. The $name must be a string. C<undef> will be returned when the $name is not known by the system. example: my $path = confstr('_CS_PATH') || '/bin:/usr/bin'; =back =head2 Additional =over 4 =item B<confstr_names>() Returns a list with all known names, unsorted. =back =head1 CONSTANTS =over 4 =item B<%confstr> This exported variable is a (tied) HASH which maps C<_CS_*> names to the unique numbers to be used with the system's C<confstr()> function. =back The following constants where detected on your system when the module got installed. The second column shows the value which where returned at that time. =for comment #TABLE_CONFSTR_START During installation, a symbol table will get inserted here. =for comment #TABLE_CONFSTR_END =head1 SEE ALSO This module is part of POSIX-1003 distribution version 1.02, built on November 10, 2020. Website: F<http://perl.overmeer.net/CPAN>. The code is based on L<POSIX>, which is released with Perl itself. See also L<POSIX::Util> for additional functionality. =head1 COPYRIGHTS Copyrights 2011-2020 on the perl code and the related documentation 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 F<http://dev.perl.org/licenses/>
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