src/common/bcopy.c

/* Copyright (c) 1988 Regents of the University of California */

#ifndef lint
static char SCCSid[] = "$SunId$ LBL";
#endif

/*
 * bcopy.c - substitutes for library routines.
 *
 *      5/24/88
 */


bcopy(src, dest, nbytes)
register char   *src, *dest;
register int    nbytes;
{
        while (nbytes-- > 0)
                *dest++ = *src++;
}


bzero(b, nbytes)
register char   *b;
register int    nbytes;
{
        while (nbytes-- > 0)
                *b++ = 0;
}


int
bcmp(b1, b2, nbytes)
register unsigned char  *b1, *b2;
register int    nbytes;
{
        while (nbytes-- > 0)
                if (*b1++ - *b2++)
                        return(*--b1 - *--b2);
        return(0);
}
Revision:	1.1
Committed:	Thu Feb 2 10:34:26 1989 UTC (36 years, 10 months ago) by greg
Content type:	text/plain
Branch:	MAIN
Log Message:	Initial revision
#	Content
1	/* Copyright (c) 1988 Regents of the University of California */
2
3	#ifndef lint
4	static char SCCSid[] = "$SunId$ LBL";
5	#endif
6
7	/*
8	* bcopy.c - substitutes for library routines.
9	*
10	* 5/24/88
11	*/
12
13
14	bcopy(src, dest, nbytes)
15	register char src, dest;
16	register int nbytes;
17	{
18	while (nbytes-- > 0)
19	dest++ = src++;
20	}
21
22
23	bzero(b, nbytes)
24	register char *b;
25	register int nbytes;
26	{
27	while (nbytes-- > 0)
28	*b++ = 0;
29	}
30
31
32	int
33	bcmp(b1, b2, nbytes)
34	register unsigned char b1, b2;
35	register int nbytes;
36	{
37	while (nbytes-- > 0)
38	if (b1++ - b2++)
39	return(--b1 - --b2);
40	return(0);
41	}