optionMemberList - Get the list of members of a bit mask set

       This  converts the OPT_VALUE_name mask value to a allocated string.  It is the caller's responsibility to
       free the string.

       od     the set membership option description

       optionMemberList - Get the list of members of a bit mask set

       the names of the set bits

       The info documentation for the -lopts library.
       ao_string_tokenize(3), configFileLoad(3), optionFileLoad(3), optionFindNextValue(3),  optionFindValue(3),
       optionFree(3),     optionGetValue(3),    optionLoadLine(3),    optionNextValue(3),    optionOnlyUsage(3),
       optionPrintVersion(3),      optionPrintVersionAndReturn(3),      optionProcess(3),      optionRestore(3),
       optionSaveFile(3),    optionSaveState(3),    optionUnloadNested(3),    optionVersion(3),    strequate(3),
       streqvcmp(3), streqvmap(3), strneqvcmp(3), strtransform(3),

                                                   2018-08-26                                optionMemberList(3)

       #include <your-opts.h>
       cc [...] -o outfile infile.c -lopts [...]

       char * optionMemberList(tOptDesc * od);