1 /* 2 * Copyright (c) 1987 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 */ 17 18 #if defined(LIBC_SCCS) && !defined(lint) 19 static char sccsid[] = "@(#)bcmp.c 5.2 (Berkeley) 07/21/88"; 20 #endif /* LIBC_SCCS and not lint */ 21 22 /* 23 * bcmp -- vax cmpc3 instruction 24 */ 25 bcmp(b1, b2, length) 26 register char *b1, *b2; 27 register int length; 28 { 29 30 if (length == 0) 31 return (0); 32 do 33 if (*b1++ != *b2++) 34 break; 35 while (--length); 36 return(length); 37 } 38