1# 2# Copyright (c) 1989 The Regents of the University of California. 3# All rights reserved. 4# 5# This code is derived from software contributed to Berkeley by 6# Ozan Yigit. 7# 8# %sccs.include.redist.sh% 9# 10# @(#)ack.m4 5.2 (Berkeley) 04/12/91 11# 12 13define(ack, `ifelse($1,0,incr($2),$2,0,`ack(DECR($1),1)', 14`ack(DECR($1), ack($1,DECR($2)))')') 15