File: //usr/share/doc/dialog/samples/setup-vars
#!/bin/sh
# $Id: setup-vars,v 1.3 2012/06/29 09:52:26 tom Exp $
# vile:shmode
# These symbols are defined to use in the sample shell scripts to make them
# more readable. But they are (intentionally) not exported. If they were
# exported, they would also be visible in the dialog program (a subprocess).
: ${DIALOG=dialog}
: ${DIALOG_OK=0}
: ${DIALOG_CANCEL=1}
: ${DIALOG_HELP=2}
: ${DIALOG_EXTRA=3}
: ${DIALOG_ITEM_HELP=4}
: ${DIALOG_ESC=255}
: ${SIG_NONE=0}
: ${SIG_HUP=1}
: ${SIG_INT=2}
: ${SIG_QUIT=3}
: ${SIG_KILL=9}
: ${SIG_TERM=15}