int * FUN_00401fb4(int param_1,int param_2,int param_3,int param_4)

{

  bool bVar1;

  int *piVar2;

  undefined4 *puVar3;

  int iVar4;

  int *piVar5;

  int *piVar6;

  int local_58 [16];

  piVar2 = DAT_004ba168;

  piVar5 = (int *)0x0;

  if ((int **)DAT_004ba168 != &DAT_004ba168) {

    piVar5 = (int *)DAT_004ba168[1];

    iVar4 = *DAT_004ba168;

    *piVar5 = iVar4;

    *(int **)(iVar4 + 4) = piVar5;

    piVar2[2] = 0x102;

    *piVar2 = 0;

    piVar2[1] = 0;

    FUN_0047f250(local_58);

    piVar2[3] = param_1 + local_58[0];

    piVar2[4] = param_2;

    while (999999 < piVar2[4]) {

      piVar2[4] = piVar2[4] + -1000000;

      piVar2[3] = piVar2[3] + 1;

    }

    *piVar2 = (int)piVar2;

    piVar6 = DAT_004ba190;

    piVar2[6] = param_3;

    piVar2[5] = param_4;

    piVar2[1] = (int)piVar2;

    piVar5 = piVar2;

    if ((int **)piVar6 == &DAT_004ba190) {

      DAT_004ba194 = piVar2;

      *piVar2 = (int)&DAT_004ba190;

      piVar2[1] = (int)&DAT_004ba190;

      DAT_004ba190 = piVar2;

    }

    else {

      do {

        bVar1 = piVar2[3] < piVar6[3];

        if (piVar2[3] == piVar6[3]) {

          bVar1 = piVar2[4] < piVar6[4];

        }

      } while ((!bVar1) && (piVar6 = (int *)*piVar6, (int **)piVar6 != &DAT_004ba190));

      puVar3 = (undefined4 *)piVar6[1];

      *piVar2 = (int)piVar6;

      piVar6[1] = (int)piVar2;

      *puVar3 = piVar2;

      piVar2[1] = (int)puVar3;

    }

  }

  return piVar5;

}