Determines whether an accessor with the specified rights and
    privileges can access an object with the specified attributes.

    Format

      SYS$CHKPRO  itmlst ,[objpro] ,[usrpro]

    C Prototype

      int sys$chkpro  (void *itmlst, void *objpro, void *usrpro);

  Additional Information (explode) :

• Argument