NAME

  LaBrea::Tarpit::Codes

SYNOPSIS

  use LaBrea::Tarpit::Codes qw (
        protocol
        icmp
        numeric
  );

  $text   = protocol(number);
  $number = protocol(text);
  $text   = icmp(number);
  $number = icmp(text);
  $rv     = numeric(scalar);

DESCRIPTION

This module is built by Makefile.PL from the text files in the IANA subdirectory (copied from the IANA web site).

Do not edit the Codes.pm file, changes will be lost.

$rv = protocol($x);

  Returns the upper case text name of a protocol
  number or the protocol number of a text name.

  i.e.  'TCP' = protocol(6);
          6   = protocol('Tcp');
          (not case sensitive)

  return -1 or 'unknown' if lookup value 
  is not present in table

$rv = icmp($x);

  Returns the upper case text name of an icmp
  number or the icmp number of the text name.

  i.e.  'ECHO' = icmp(8);
           8   = icmp('EcHo');
           (not case sensitive)

  return -1 or 'unknown' if lookup value 
  is not present in table

$rv = numeric(scalar);

  Return true if the scalar is a number 
  0,-n,+n
    else
  returns false

EXPORT

  None by default.

COPYRIGHT

Copyright 2002, Michael Robinton & BizSystems This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

AUTHOR

Michael Robinton, michael@bizsystems.com

CPAN RT