string.m4 revision 1590
11590Srgrimes#
21590Srgrimes# Copyright (c) 1989, 1993
31590Srgrimes#	The Regents of the University of California.  All rights reserved.
41590Srgrimes#
51590Srgrimes# This code is derived from software contributed to Berkeley by
61590Srgrimes# Ozan Yigit.
71590Srgrimes#
81590Srgrimes# Redistribution and use in source and binary forms, with or without
91590Srgrimes# modification, are permitted provided that the following conditions
101590Srgrimes# are met:
111590Srgrimes# 1. Redistributions of source code must retain the above copyright
121590Srgrimes#    notice, this list of conditions and the following disclaimer.
131590Srgrimes# 2. Redistributions in binary form must reproduce the above copyright
141590Srgrimes#    notice, this list of conditions and the following disclaimer in the
151590Srgrimes#    documentation and/or other materials provided with the distribution.
161590Srgrimes# 3. All advertising materials mentioning features or use of this software
171590Srgrimes#    must display the following acknowledgement:
181590Srgrimes#	This product includes software developed by the University of
191590Srgrimes#	California, Berkeley and its contributors.
201590Srgrimes# 4. Neither the name of the University nor the names of its contributors
211590Srgrimes#    may be used to endorse or promote products derived from this software
221590Srgrimes#    without specific prior written permission.
231590Srgrimes#
241590Srgrimes# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
251590Srgrimes# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
261590Srgrimes# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
271590Srgrimes# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
281590Srgrimes# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
291590Srgrimes# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
301590Srgrimes# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
311590Srgrimes# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
321590Srgrimes# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
331590Srgrimes# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
341590Srgrimes# SUCH DAMAGE.
351590Srgrimes#
361590Srgrimes#	@(#)string.m4	8.1 (Berkeley) 6/6/93
371590Srgrimes#
381590Srgrimes
391590Srgrimesdefine(string,`integer $1(len(substr($2,1)))
401590Srgrimesstr($1,substr($2,1),0)
411590Srgrimesdata $1(len(substr($2,1)))/EOS/
421590Srgrimes')
431590Srgrimes
441590Srgrimesdefine(str,`ifelse($2,",,data $1(incr($3))/`LET'substr($2,0,1)/
451590Srgrimes`str($1,substr($2,1),incr($3))')')
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