bool FileMove(const char *oldname, const char *newname)
{
#if defined(PLATFORM_WIN32)
	if(IsWinNT())
		...
	else
		return !!MoveFile(ToSystemCharset(oldname), ToSystemCharset(newname));
#elif defined(PLATFORM_POSIX)
	...
#else
	...
#endif//PLATFORM
}