void FUN_00407df4(int *param_1)

{

  int iVar1;

  int *piVar2;

  int *piVar3;

  while (piVar3 = (int *)*param_1, piVar3 != param_1) {

    piVar2 = (int *)piVar3[1];

    iVar1 = *piVar3;

    *piVar2 = iVar1;

    *(int **)(iVar1 + 4) = piVar2;

    *piVar3 = 0;

    piVar3[1] = 0;

    sobj_del(piVar3);

  }

  param_1[2] = 0;

  return;

}