IoGetIrpExtraCreateParameter

NTSTATUS __stdcall IoGetIrpExtraCreateParameter(PIRP Irp, struct _ECP_LIST **ExtraCreateParameter){
  if( (*((_DWORD *)Irp + 4) & 0x80u) == 0 )
    return -1073741811;
  *ExtraCreateParameter = (struct _ECP_LIST *)*((_QWORD *)Irp + 14);
  return 0;
}

Referenced by:

FsRtlCheckOplockEx2
FsRtlpAttachOplockKey
IopGraftName
IopParseDevice
IopSymlinkAllocateAndAddECP
IopSymlinkUpdateECP