See the current Perl documentation for IPC::SysV.
Here is our local, out-dated (pre-5.6) version:
IPC::SysV - SysV IPC constants
use IPC::SysV qw(IPC_STAT IPC_PRIVATE);
IPC::SysV defines and conditionally exports all the constants defined in your system include files which are needed by the SysV
- ftok( PATH, ID )
Return a key based on
ID, which can be used as a key for
msgget, semget and shmget. See ftok
Copyright (c) 1997 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.