ack/modules/src/string/strncmp.c
1994-06-24 11:31:16 +00:00

27 lines
505 B
C

/* $Id$ */
/*
* (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
*/
#include "ack_string.h"
int
strncmp(s, t, n)
register _CONST char *s, *t;
register _SIZET n;
{
while (n-- > 0) {
if (*s == *t++) {
if (*s++ == '\0')
return 0;
}
else
return *s - *--t;
}
return 0;
}