/* hostinfo.c Copyright (C) 1992, 1993 Free Software Foundation, Inc. This file is part of Z8KSIM GNU CC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU CC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* This prog writes a header file with some host info in it */ union { int as_int; char as_char[4]; } u; int main() { u.as_int = 0x01020304; if (u.as_char[0] == 0x01) { printf("#define BIG_ENDIAN_HOST\n"); } else if (u.as_char[0] == 0x04) { printf("#define LITTLE_ENDIAN_HOST\n"); } return 0; }