driver prog for tcode vf01 r script mr_print

hi friends,

i have checked out driver prog in tnapr for vf01 / mr_print

but it z giving a sub routine pool prog RM08NAST.

i havwe migrated dat mr_print script to smart form but it z giving errors at the declartions level.

so i need to find out how they declared it in the stad driver prog of mr_print

pleaase let me know the driver prog for mr_print r vf01.