1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2011 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23 24#include <ast.h> 25 26#if _lib_memcpy 27 28NoN(memcpy) 29 30#else 31 32#undef memcpy 33 34#if _lib_bcopy 35 36extern void bcopy(void*, void*, size_t); 37 38void* 39memcpy(void* s1, void* s2, size_t n) 40{ 41 bcopy(s2, s1, n); 42 return(s1); 43} 44 45#else 46 47void* 48memcpy(void* as1, const void* as2, register size_t n) 49{ 50 register char* s1 = (char*)as1; 51 register const char* s2 = (const char*)as2; 52 53 while (n-- > 0) 54 *s1++ = *s2++; 55 return(as1); 56} 57 58#endif 59 60#endif 61