rpc file contains user readable names that
can be used in place of RPC program numbers.
Each line has the following information:
name of server for the RPC program
RPC program number
Items are separated by any number of blanks and/or
A # indicates the beginning of a comment; characters from
the # to the end of the line are not interpreted by routines
which search the file.
Here is an example of the /etc/rpc file from the Sun RPC Source