130423Smckusick /* 230423Smckusick * Copyright (c) 1987 Regents of the University of California. 335110Sbostic * All rights reserved. 435110Sbostic * 535110Sbostic * Redistribution and use in source and binary forms are permitted 635110Sbostic * provided that the above copyright notice and this paragraph are 735110Sbostic * duplicated in all such forms and that any documentation, 835110Sbostic * advertising materials, and other materials related to such 935110Sbostic * distribution and use acknowledge that the software was developed 1035110Sbostic * by the University of California, Berkeley. The name of the 1135110Sbostic * University may not be used to endorse or promote products derived 1235110Sbostic * from this software without specific prior written permission. 1335110Sbostic * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 1435110Sbostic * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 1535110Sbostic * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 1630423Smckusick */ 1730423Smckusick 1830423Smckusick #if defined(LIBC_SCCS) && !defined(lint) 19*42144Sbostic static char sccsid[] = "@(#)bcmp.c 5.3 (Berkeley) 05/16/90"; 2035110Sbostic #endif /* LIBC_SCCS and not lint */ 2130423Smckusick 22*42144Sbostic #include <string.h> 23*42144Sbostic 2430423Smckusick /* 2530423Smckusick * bcmp -- vax cmpc3 instruction 2630423Smckusick */ 2730423Smckusick bcmp(b1, b2, length) 2830423Smckusick register char *b1, *b2; 29*42144Sbostic register size_t length; 3030423Smckusick { 3130423Smckusick 3230423Smckusick if (length == 0) 33*42144Sbostic return(0); 3430423Smckusick do 3530423Smckusick if (*b1++ != *b2++) 3630423Smckusick break; 3730423Smckusick while (--length); 3830423Smckusick return(length); 3930423Smckusick } 40