[unix-history] / usr / src / lib / libcompat / 4.1 / strcmpn.c

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)strcmpn.c	4.3 (Berkeley) %G%";
#endif LIBC_SCCS and not lint

/*
 * Compare strings (at most n bytes):  s1>s2: >0  s1==s2: 0  s1<s2: <0
 */

strcmpn(s1, s2, n)
register char *s1, *s2;
register n;
{

	while (--n >= 0 && *s1 == *s2++)
		if (*s1++ == '\0')
			return(0);
	return(n<0 ? 0 : *s1 - *--s2);
}
Commit	Line	Data
503553be KM	1	/*
	2	* Copyright (c) 1980 Regents of the University of California.
	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*/
	6
2ce81398 DS	7	#if defined(LIBC_SCCS) && !defined(lint)
	8	static char sccsid[] = "@(#)strcmpn.c 4.3 (Berkeley) %G%";
	9	#endif LIBC_SCCS and not lint
503553be	10
8cae6e23 BJ	11	/*
	12	* Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0
	13	*/
	14
	15	strcmpn(s1, s2, n)
	16	register char s1, s2;
	17	register n;
	18	{
	19
	20	while (--n >= 0 && s1 == s2++)
	21	if (*s1++ == '\0')
	22	return(0);
	23	return(n<0 ? 0 : s1 - --s2);
	24	}