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

/* @(#)strcmpn.c	4.1 (Berkeley) %G% */
/*
 * 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
8cae6e23 BJ	1	/* @(#)strcmpn.c 4.1 (Berkeley) %G% */
	2	/*
	3	* Compare strings (at most n bytes): s1>s2: >0 s1==s2: 0 s1<s2: <0
	4	*/
	5
	6	strcmpn(s1, s2, n)
	7	register char s1, s2;
	8	register n;
	9	{
	10
	11	while (--n >= 0 && s1 == s2++)
	12	if (*s1++ == '\0')
	13	return(0);
	14	return(n<0 ? 0 : s1 - --s2);
	15	}