1*da816ca0SGreg Clayton #ifdef EXTRA_FUNCTION
foo(int i)2*da816ca0SGreg Clayton int foo(int i) {
3*da816ca0SGreg Clayton   return i*3;
4*da816ca0SGreg Clayton }
5*da816ca0SGreg Clayton #endif
6*da816ca0SGreg Clayton 
main(int argc,char const * argv[])7*da816ca0SGreg Clayton int main (int argc, char const *argv[]) {
8*da816ca0SGreg Clayton #ifdef EXTRA_FUNCTION
9*da816ca0SGreg Clayton   return foo(argc);
10*da816ca0SGreg Clayton #else
11*da816ca0SGreg Clayton   return 0;
12*da816ca0SGreg Clayton #endif
13*da816ca0SGreg Clayton }
14