The Get Terminal Data routine accesses TERMTABLE.EXE and returns
    the character sequence that causes a terminal to perform a
    specified operation.

    Format

      SMG$GET_TERM_DATA  termtable-address ,request-code

                         ,maximum-buffer-length ,return-length

                         ,capability-data [,input-argument-vector]

  Additional Information (explode) :

• Returns
• Arguments