To Retieve Feilds of a Particular Table and Display it ...!

hi,

I am new to ABAP/4 Programming. Suppose we have a table called Zmaterial, it contains ID,NAME,DESCRIPTION and PICTURE fields, here what is my objective is i want to retrieve all of these field names from zmaterial in to my ABAP Program

Please Can Anyone Give me Solution ....!

Thanks

Prasad