14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin 244887Schin #include <ast.h> 254887Schin 264887Schin #if _lib_memcmp 274887Schin 284887Schin NoN(memcmp) 294887Schin 304887Schin #else 314887Schin 324887Schin int 334887Schin memcmp(const void* ab1, const void* ab2, size_t n) 344887Schin { 354887Schin register const unsigned char* b1 = (const unsigned char*)ab1; 364887Schin register const unsigned char* b2 = (const unsigned char*)ab2; 374887Schin register const unsigned char* e = b1 + n; 384887Schin 394887Schin while (b1 < e) 404887Schin if (*b1++ != *b2++) 414887Schin return(*--b1 - *--b2); 424887Schin return(0); 434887Schin } 444887Schin 454887Schin #endif 46