1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23*0Sstevel@tonic-gate /* All Rights Reserved */ 24*0Sstevel@tonic-gate 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 27*0Sstevel@tonic-gate /* 28*0Sstevel@tonic-gate Place the `len' length substring of `as' starting at `as[origin]' 29*0Sstevel@tonic-gate in `aresult'. 30*0Sstevel@tonic-gate Return `aresult'. 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate Note: The copying of as to aresult stops if either the 33*0Sstevel@tonic-gate specified number (len) characters have been copied, 34*0Sstevel@tonic-gate or if the end of as is found. 35*0Sstevel@tonic-gate A negative len generally guarantees that everything gets copied. 36*0Sstevel@tonic-gate */ 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate char *substr(as, aresult, origin, len) 39*0Sstevel@tonic-gate char *as, *aresult; 40*0Sstevel@tonic-gate int origin; 41*0Sstevel@tonic-gate register unsigned len; 42*0Sstevel@tonic-gate { 43*0Sstevel@tonic-gate register char *s, *result; 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate s = as + origin; 46*0Sstevel@tonic-gate result = aresult; 47*0Sstevel@tonic-gate ++len; 48*0Sstevel@tonic-gate while (--len && (*result++ = *s++)) ; 49*0Sstevel@tonic-gate if (len == 0) 50*0Sstevel@tonic-gate *result = 0; 51*0Sstevel@tonic-gate return(aresult); 52*0Sstevel@tonic-gate } 53