/in/foo.c: In function 'FindMinInteger':
/in/foo.c:14:9: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return index;
         ^~~~~
/in/foo.c: In function 'main':
/in/foo.c:26:2: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d %d", index1, index2);
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/in/foo.c:26:2: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized]