strncmp.c,v

TCP-IP红宝书源代码

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1.1
date	97.09.21.19.27.40;	author dls;	state Dist;
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1.1
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@pre-3e code
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@/*
 * Compare strings (at most n bytes):  s1>s2: >0  s1==s2: 0  s1<s2: <0
 */

strncmp(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);
}
@