Allows you to read and write the default file protection for the
    process.

    Format

      SYS$SETDFPROT  [new-def-prot-addr] ,[cur-def-prot-addr]

    C Prototype

      int sys$setdfprot  (unsigned short int *newdefprotaddr,

                         unsigned short int *curdefprotaddr);

  Additional Information (explode) :

• Arguments