void FUN_00405ee8(int *param_1)

{

  uint uVar1;

  int *piVar2;

  int *piVar3;

  int iVar4;

  if (param_1 == (int *)0x0) {

    while (piVar3 = DAT_0041cf20, (int **)DAT_0041cf20 != &DAT_0041cf20) {

      iVar4 = *DAT_0041cf20;

      piVar2 = (int *)DAT_0041cf20[1];

      uVar1 = DAT_0041cf20[2];

      *piVar2 = iVar4;

      *piVar3 = 0;

      *(int **)(iVar4 + 4) = piVar2;

      *piVar3 = (int)DAT_0041cf00;

      DAT_0041cf00[1] = (int)piVar3;

      piVar3[2] = uVar1 & 0xfffffeff;

      DAT_0041cf00 = piVar3;

      piVar3[1] = (int)&DAT_0041cf00;

    }

    return;

  }

  iVar4 = *param_1;

  piVar3 = (int *)param_1[1];

  uVar1 = param_1[2];

  *piVar3 = iVar4;

  *param_1 = 0;

  *(int **)(iVar4 + 4) = piVar3;

  *param_1 = (int)DAT_0041cf00;

  DAT_0041cf00[1] = (int)param_1;

  DAT_0041cf00 = param_1;

  param_1[2] = uVar1 & 0xfffffeff;

  param_1[1] = (int)&DAT_0041cf00;

  return;

}