/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Id: strcmp.c,v 1.4 1994/06/24 11:56:43 ceriel Exp $ */
#include <string.h>
int
strcmp(register const char *s1, register const char *s2)
{
while (*s1 == *s2++) {
if (*s1++ == '\0') {
return 0;
}
}
if (*s1 == '\0') return -1;
if (*--s2 == '\0') return 1;
return (unsigned char) *s1 - (unsigned char) *s2;
}