1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984 AT&T */ 23 /* All Rights Reserved */ 24 25 #pragma ident "%Z%%M% %I% %E% SMI" /* from S5R2 1.2 */ 26 27 /*LINTLIBRARY*/ 28 /* 29 * Return the number of characters in the maximum leading segment 30 * of string which consists solely of characters from charset. 31 */ 32 int 33 strspn(string, charset) 34 char *string; 35 register char *charset; 36 { 37 register char *p, *q; 38 39 for(q=string; *q != '\0'; ++q) { 40 for(p=charset; *p != '\0' && *p != *q; ++p) 41 ; 42 if(*p == '\0') 43 break; 44 } 45 return(q-string); 46 } 47