ack/modules/src/string/strncmp.c
1987-03-10 09:24:02 +00:00

23 lines
473 B
C

/* $Header$ */
/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* return negative, zero or positive value if
resp. s < t, s == t or s > t; compare at most n characters
*/
int
strncmp(s, t, n)
register char *s, *t;
register int n;
{
while (n-- > 0) {
if (*s == *t++) {
if (*s++ == '\0')
return 0;
}
else
return *s - *--t;
}
return 0;
}