ftp.nice.ch/pub/next/developer/resources/libraries/libcs.s.tar.gz#/libcs/atoo.c

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/*
 * Copyright (c) 1990 Carnegie Mellon University
 * All Rights Reserved.
 * 
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND CARNEGIE MELLON UNIVERSITY
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT
 * SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE FOR ANY SPECIAL, DIRECT,
 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
 * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Users of this software agree to return to Carnegie Mellon any
 * improvements or extensions that they make and grant Carnegie the
 * rights to redistribute these changes.
 *
 * Export of this software is permitted only after complying with the
 * regulations of the U.S. Deptartment of Commerce relating to the
 * Export of Technical Data.
 */
/*  atoo  --  convert ascii to octal
 *
 *  Usge:  i = atoo (string);
 *	unsigned int i;
 *	char *string;
 *
 *  Atoo converts the value contained in "string" into an
 *  unsigned integer, assuming that the value represents
 *  an octal number.
 *
 *  HISTORY
 * $Log:	atoo.c,v $
 * Revision 1.2  90/12/11  17:50:15  mja
 * 	Add copyright/disclaimer for distribution.
 * 
 * 20-Nov-79  Steven Shafer (sas) at Carnegie-Mellon University
 *	Rewritten for VAX.
 *
 */

unsigned int atoo(ap)
char *ap;
{
	register unsigned int n;
	register char *p;

	p = ap;
	n = 0;
	while(*p == ' ' || *p == '	')
		p++;
	while(*p >= '0' && *p <= '7')
		n = n * 8 + *p++ - '0';
	return(n);
}

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