Mk_cmds converts a table listing command names and associated help messages
into a C source file suitable for use with the
The source file name must end with a suffix of .ct; the file
consists of a declaration supplying the name of the command table:
followed by entries of the form:
string "[, abbrev]...;
and a final
to indicate the end of the table.
A C source file is generated which should be compiled and linked
with the object files use the ss library.
A # in the source file is treated as a comment character, and all
remaining text to the end of the source line will be ignored.