ack/lang/cem/libcc.ansi/string/strcmp.c

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/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
#include <string.h>
int
strcmp(register const char *s1, register const char *s2)
{
while (*s1 == *s2++) {
if (*s1++ == '\0') {
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return 0;
}
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}
if (*s1 == '\0') return -1;
if (*--s2 == '\0') return 1;
return *s1 - *s2;
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}