FreeMem                  Deallocates Dynamically Allocated Memory

 FreeMem(var P : <pointer>; Amt : Integer);

    Deallocates Amt bytes starting at the address pointed to by P. Assumes
    that you have previously allocated memory using GetMem(P, Amt), which
    allocates space on the heap, and that Amt is exactly the same value in
    both calls. Note that FreeMem does not automatically set P to NIL; you
    must do that yourself.

               P    A pointer to any data type.

             Amt    Number of bytes to be deallocated.

  -------------------------------- Example ---------------------------------

           FreeMem(P,SizeOf(P^));   { Free Allocated Memory }
           P := NIL;                { Mark Pointer as Freed }