void FUN_00404900(undefined *param_1)

{

  undefined *puVar1;

  int iVar2;

  int *piVar3;

  undefined **ppuVar4;

  undefined **ppuVar5;

  int *piVar6;

  while (piVar6 = *(int **)(param_1 + 0x10), piVar6 != (int *)(param_1 + 0x10)) {

    piVar3 = (int *)piVar6[1];

    iVar2 = *piVar6;

    *piVar3 = iVar2;

    *(int **)(iVar2 + 4) = piVar3;

    *piVar6 = 0;

    piVar6[1] = 0;

    FUN_0040486c(piVar6);

  }

  while (piVar6 = *(int **)(param_1 + 8), piVar6 != (int *)(param_1 + 8)) {

    piVar3 = (int *)piVar6[1];

    iVar2 = *piVar6;

    *piVar3 = iVar2;

    *(int **)(iVar2 + 4) = piVar3;

    *piVar6 = 0;

    piVar6[1] = 0;

    FUN_00404900(piVar6);

  }

  if (*(void **)(param_1 + 0x1c) != (void *)0x0) {

    free(*(void **)(param_1 + 0x1c));

  }

  if (*(void **)(param_1 + 0x20) != (void *)0x0) {

    free(*(void **)(param_1 + 0x20));

  }

  puVar1 = PTR_LOOP_00433590;

  ppuVar4 = (undefined **)0x0;

  while( true ) {

    ppuVar5 = (undefined **)puVar1;

    if (ppuVar4 != (undefined **)0x0) {

      ppuVar5 = (undefined **)*ppuVar4;

    }

    if ((ppuVar5 == &PTR_LOOP_00433590) || (ppuVar5 == (undefined **)0x0)) break;

    ppuVar4 = ppuVar5;

    if (ppuVar5[2] == param_1) {

      ppuVar5[2] = (undefined *)0x0;

    }

  }

  free(param_1);

  return;

}