=back
-=head2 c, constant - Perl pragma to declare constants
-
-=over 4
-
-=item SYNOPSIS
-
-=item DESCRIPTION
-
-=item NOTES
-
-=over 4
-
-=item List constants
-
-=item Defining multiple constants at once
-
-=item Magic constants
-
-=back
-
-=item TECHNICAL NOTES
-
-=item BUGS
-
-=item AUTHOR
-
-=item COPYRIGHT
-
-=back
-
=head2 charnames - define character names for C<\N{named}> string literal
escapes
=back
-=head2 Devel::Arena - Perl extension for inspecting the core's arena
-structures
-
-=over 4
-
-=item SYNOPSIS
-
-=item DESCRIPTION
-
-=over 4
-
-=item EXPORT
-
-sv_stats [DONT_SHARE], shared_string_table, sizes, HEK_size STRING,
-shared_string_table_effectiveness, write_stats_at_END
-
-=back
-
-=item SEE ALSO
-
-=item AUTHOR
-
-=item COPYRIGHT AND LICENSE
-
-=back
-
=head2 Devel::DProf - a Perl code profiler
=over 4
=back
-=head2 Devel::Size - Perl extension for finding the memory usage of Perl
-variables
-
-=over 4
-
-=item SYNOPSIS
-
-=item DESCRIPTION
-
-=item FUNCTIONS
-
-=over 4
-
-=item size($ref)
-
-=item total_size($ref)
-
-=back
-
-=item EXPORT
-
-=item UNDERSTANDING MEMORY ALLOCATION
-
-=over 4
-
-=item The C library
-
-=item Perl
-
-=back
-
-=item DANGERS
-
-=item Messages: texts originating from this module.
-
-=over 4
-
-=item Errors
-
-=item warnings
-
-=back
-
-=item BUGS
-
-=item AUTHOR
-
-=item COPYRIGHT
-
-=item SEE ALSO
-
-=back
-
=head2 Digest - Modules that calculate message digests
=over 4
=back
-=head2 Fcntl2 - load the C Fcntl2.h defines
-
-=over 4
-
-=item SYNOPSIS
-
-=item DESCRIPTION
-
-=item NOTE
-
-=item EXPORTED SYMBOLS
-
-=back
-
=head2 File::Basename - Parse file paths into directory, filename and
suffix.