ucLinux is a very good embeded sytem. Most of company use this as their development OS.

				/* vi: set sw=4 ts=4: */				/*				 * rename() for uClibc				 *				 * Copyright (C) 2000-2004 by Erik Andersen 				 *				 * GNU Library General Public License (LGPL) version 2 or later.				 */								#include "syscalls.h"				#include 				#include 				#include 				#include 								#define __NR___syscall_rename __NR_rename				static inline _syscall2(int, __syscall_rename, const char *, oldpath,						const char *, newpath);								int rename(const char * oldpath, const char * newpath)				{					return __syscall_rename(oldpath, newpath);				}