#include <stdio.h>

void
blah (void)
{
   printf ("blah\n");
}

void
foo (int bar)
{
   printf ("foo\n");
   blah ();
}

void
bar (int foo)
{
   printf ("bar\n");
   blah ();
}


int
main (int argc, char *argv[])
{
#ifdef foo
  foo (2);
#else
  bar (3);
#endif

  return 0;
}