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                        longlong ** FUN_14000e5a0(longlong **param_1,LPCWSTR param_2,int param_3,uint param_4)
{
  uint uVar1;
  longlong **pplVar2;
  longlong **hFile;
  longlong *plVar3;
  longlong **pplVar4;
  DWORD DVar5;
  LONG local_38;
  undefined4 uStack_34;
  
  pplVar4 = (longlong **)0x0;
  uVar1 = param_4 & 0x1f;
  if ((param_4 & 0x1f) == 0) {
    uVar1 = 2;
  }
  pplVar2 = FUN_1400119f8(DAT_1400213a0,(longlong)param_1);
  if (pplVar2 == (longlong **)0x0) {
    return (longlong **)0x0;
  }
  if (param_3 == 1) {
    DVar5 = (DWORD)((param_4 >> 0x11 & 1) != 0);
    if ((param_4 >> 0x12 & 1) != 0) {
      DVar5 = 7;
    }
    hFile = (longlong **)
            CreateFileW(param_2,0x80000000,DVar5,(LPSECURITY_ATTRIBUTES)0x0,3,0x80,(HANDLE)0x0);
LAB_14000e70c:
    if (hFile == (longlong **)0xffffffffffffffff) goto LAB_14000e7ad;
  }
  else {
    if (param_3 == 2) {
      DVar5 = (DWORD)((param_4 >> 0x11 & 1) != 0);
      if ((param_4 >> 0x12 & 1) != 0) {
        DVar5 = 7;
      }
      hFile = (longlong **)
              CreateFileW(param_2,0xc0000000,DVar5,(LPSECURITY_ATTRIBUTES)0x0,4,0x80,(HANDLE)0x0);
      goto LAB_14000e70c;
    }
    if (param_3 != 3) {
      hFile = (longlong **)CONCAT44(uStack_34,local_38);
      goto LAB_14000e70c;
    }
    DVar5 = (DWORD)((param_4 >> 0x11 & 1) != 0);
    if ((param_4 >> 0x12 & 1) != 0) {
      DVar5 = 7;
    }
    hFile = (longlong **)
            CreateFileW(param_2,0xc0000000,DVar5,(LPSECURITY_ATTRIBUTES)0x0,2,0x80,(HANDLE)0x0);
    if (hFile == (longlong **)0xffffffffffffffff) {
      hFile = (longlong **)
              CreateFileW(param_2,0x40000000,DVar5,(LPSECURITY_ATTRIBUTES)0x0,5,0,(HANDLE)0x0);
      goto LAB_14000e70c;
    }
  }
  if (hFile != (longlong **)0x0) {
    if ((DAT_14001f140 == 0) || ((param_4 >> 0x13 & 1) != 0)) {
      pplVar2[1] = (longlong *)0x0;
    }
    else {
      plVar3 = (longlong *)HeapAlloc(DAT_1400204cc,0,(longlong)DAT_14001f140);
      pplVar2[1] = plVar3;
    }
    *pplVar2 = (longlong *)hFile;
    *(int *)(pplVar2 + 2) = DAT_14001f140;
    *(undefined4 *)((longlong)pplVar2 + 0x14) = 0;
    *(uint *)(pplVar2 + 4) = uVar1;
    *(uint *)((longlong)pplVar2 + 0x24) = (uint)(param_3 == 1);
    *(undefined4 *)((longlong)pplVar2 + 0x1c) = 1;
    if ((param_3 == 2) && ((param_4 >> 0x14 & 1) != 0)) {
      local_38 = 0;
      SetFilePointer(hFile,0,&local_38,2);
    }
    pplVar4 = hFile;
    if (param_1 == (longlong **)0xffffffffffffffff) {
      pplVar4 = pplVar2;
    }
    if (pplVar4 != (longlong **)0x0) {
      return pplVar4;
    }
  }
LAB_14000e7ad:
  if (param_1 == (longlong **)0xffffffffffffffff) {
    param_1 = pplVar2;
  }
  FUN_14001192c(DAT_1400213a0,(longlong)param_1);
  return pplVar4;
}