1 /* This testcase is part of GDB, the GNU debugger. 2 3 Copyright 2013-2024 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 #if 0 19 # define HEADER 1 20 #endif 21 #if 1 22 # undef HEADER 23 # define HEADER 2 24 void header_two_func (void) {} 25 #endif 26 #if 0 27 /* #include "header.h" does not work, why? */ 28 # include <header.h> 29 #endif 30