tlm_generic_payload

Hi guys,

1)tlm_generic_payload *trans;

in the above line we are making object of payload. but instead of this trans is having some meaning in TLM?

please brief the idea  

2)what is the difference in followings:

tlm_generic_payload *trans  and tlm_generic_payload trans

3)Please let me know the link of  detailed format of tlm_generic_payload?

Thanks

Regards

cam