130423Smckusick /* 230423Smckusick * Copyright (c) 1987 Regents of the University of California. 3*35110Sbostic * All rights reserved. 4*35110Sbostic * 5*35110Sbostic * Redistribution and use in source and binary forms are permitted 6*35110Sbostic * provided that the above copyright notice and this paragraph are 7*35110Sbostic * duplicated in all such forms and that any documentation, 8*35110Sbostic * advertising materials, and other materials related to such 9*35110Sbostic * distribution and use acknowledge that the software was developed 10*35110Sbostic * by the University of California, Berkeley. The name of the 11*35110Sbostic * University may not be used to endorse or promote products derived 12*35110Sbostic * from this software without specific prior written permission. 13*35110Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14*35110Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15*35110Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 1630423Smckusick */ 1730423Smckusick 1830423Smckusick #if defined(LIBC_SCCS) && !defined(lint) 19*35110Sbostic static char sccsid[] = "@(#)bcmp.c 5.2 (Berkeley) 07/21/88"; 20*35110Sbostic #endif /* LIBC_SCCS and not lint */ 2130423Smckusick 2230423Smckusick /* 2330423Smckusick * bcmp -- vax cmpc3 instruction 2430423Smckusick */ 2530423Smckusick bcmp(b1, b2, length) 2630423Smckusick register char *b1, *b2; 2730423Smckusick register int length; 2830423Smckusick { 2930423Smckusick 3030423Smckusick if (length == 0) 3130423Smckusick return (0); 3230423Smckusick do 3330423Smckusick if (*b1++ != *b2++) 3430423Smckusick break; 3530423Smckusick while (--length); 3630423Smckusick return(length); 3730423Smckusick } 38