/in/foo.c: In function 'main':
/in/foo.c:12:2: warning: 'imax' may be used uninitialized in this function [-Wmaybe-uninitialized]
  printf("%d",imax);
  ^~~~~~~~~~~~~~~~~
/in/foo.c: In function 'FindiMax':
/in/foo.c:26:9: warning: 'imax' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return imax;
         ^~~~