1 /* Copyright 2004 Bob Proulx <bob@proulx.com> 2 Distributed under the two-clause BSD licence; 3 see the COPYING file for details. */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 8 #if ! defined(BAR) 9 int foo() { return 0; } 10 #else 11 #error BAR defined 12 #endif 13 14 int main() 15 { 16 foo(); 17 } 18