资料来源 : Free On-Line Dictionary of Computing

cgram
     
        An {ANSI C} {LL1} or {LL2} {grammar} written in {Scheme} by
        Mohd Hanafiah Abdullah .  A program
        (f-f-d.s) extracts the FIRST/FOLLOW/DIRECTOR sets.
     
        {(ftp://primost.cs.wisc.edu/pub/comp.compilers/cgram-ll1.Z)}.