3 /* This file is part of NIT ( http://www.nitlanguage.org ).
5 * This file is free software, which comes along with NIT. This software is
6 * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
7 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
8 * PARTICULAR PURPOSE. You can modify it is you want, provided this header
9 * is kept unaltered, and a notification of the changes is added.
10 * You are allowed to redistribute it and sell it, alone or is a part of
17 #define address_is_null(x) ((x)==NULL)
18 #define sys_errno(x) (errno)