view target-utils/libc/strncmp.c @ 744:2dcfad8a3ed0

make-imeisv utility written
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 19 Oct 2020 06:35:35 +0000
parents 7fb62fc724dc
children
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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);
}