// 
// __acrt_lowio_ensure_fh_exists from 0x1801360bc to 0x180136164 (168 bytes)
// 
// 4 xrefs:
// > initialize_inherited_file_handles_nolock @ 0x180136681
// > __acrt_initialize_lowio @ 0x180136838
// > <???> @ 0x1802034c4
// > <???> @ 0x1802034d0
// 
// This function is hookable on this platform!
// 
// Using BromaIDA 8.0.0 @ https://github.com/Stazzical/BromaIDA
// Using bindings at commit ba9f177b at Thu Jul 16 22:52:06 2026 from https://github.com/geode-sdk/bindings
// 

__int64 __fastcall _acrt_lowio_ensure_fh_exists(unsigned int a1)
{
  unsigned int v3; // edi
  __int64 v4; // rbx
  int v5; // eax
  char *handle_array; // rax

  if ( a1 < 0x2000 )
  {
    v3 = 0;
    sub_1801346AC(7);
    v4 = 0;
    v5 = dword_1801F5560;
    while ( (int)a1 >= v5 )
    {
      if ( !qword_1801F5160[v4] )
      {
        handle_array = _acrt_lowio_create_handle_array();
        qword_1801F5160[v4] = (__int64)handle_array;
        if ( !handle_array )
        {
          v3 = 12;
          break;
        }
        v5 = dword_1801F5560 + 64;
        dword_1801F5560 += 64;
      }
      ++v4;
    }
    sub_180134700(7);
    return v3;
  }
  else
  {
    *errno() = 9;
    invalid_parameter_noinfo();
    return 9;
  }
}