1 /* 2 * Copyright (c) 1987 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)bcmp.c 5.6 (Berkeley) 02/24/91"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <string.h> 13 14 /* 15 * bcmp -- vax cmpc3 instruction 16 */ 17 bcmp(b1, b2, length) 18 const void *b1, *b2; 19 register size_t length; 20 { 21 register char *p1, *p2; 22 23 if (length == 0) 24 return(0); 25 p1 = (char *)b1; 26 p2 = (char *)b2; 27 do 28 if (*p1++ != *p2++) 29 break; 30 while (--length); 31 return(length); 32 } 33