ack/lang/cem/libcc.ansi/string/memcmp.c
eck a41c51783a improved the speed somewhat
fixed bug with negative chars in comparisons
1990-08-28 13:54:46 +00:00

23 lines
413 B
C

/*
* (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
memcmp(const void *s1, const void *s2, size_t n)
{
register const char *p1 = s1, *p2 = s2;
if (n) {
n++;
while (--n > 0) {
if (*p1++ == *p2++) continue;
return *--p1 - *--p2;
}
}
return 0;
}