NbtGetMdl(
      PMDL *ppMdl,
      enum eBUFFER_TYPES eBuffType
  );

Routine Description:

    This routine allocates an Mdl.

Arguments:

    ppListHead  - a ptr to a ptr to the list head to add buffer to
    iNumBuffers - the number of buffers to add to the queue

Return Value:

    none