/* DxeIplGetPeiProtocol @ 0xffc1701b size=0x74 */
int __thiscall DxeIplGetPeiProtocol(_DWORD *this)
{
  int v2; // esi
  int v3; // ebx

  v2 = 0; /*0xffc17030*/
  if ( *this ) /*0xffc17032*/
  {
    while ( 1 ) /*0xffc1703c*/
    {
      v3 = *this - v2 - 1; /*0xffc1703c*/
      if ( !*((_QWORD *)this + 5 * v3 + 5) && !*((_QWORD *)this + 5 * v3 + 1) && !sub_FFC188F5(7) && !sub_FFC188F5(7) ) /*0xffc17071*/
        break; /*0xffc17071*/
      if ( (unsigned int)++v2 >= *this ) /*0xffc1707e*/
        return v2; /*0xffc1707e*/
    }
    return v3; /*0xffc17086*/
  }
  return v2; /*0xffc1708a*/
}