Rcal                    A function to print a calendar.
S4Help                  A function to find help for S4 classes and
                        generics
asSimpleVector          Example functions for the Chapter on Debugging
classList2Graph         Functions to produce graphs from S4 class
                        definitions
computeClassLinearization
                        Compute the Class Linearization
printWithNumbers        Print a function with line numbers
randDNA                 A function to generate random DNA sequences.
simplePVect             A function to print a vector at the C level.
simpleRand              A simple interface to C level random number
                        generation.
simpleSort              A simple interface to sorting routines in R
subClassNames           Functions to return the names of either
                        subclasses or superclasses.
superClasses            Return a list of super classes.
traceMethods            A function to turn on tracing for all methods
                        of a S4 generic function.
