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 # ifdef FOO foo()9int foo() { return 0; } 10 # else 11 # error FOO defined 12 # endif 13 main()14int main() 15 { 16 foo(); 17 } 18