Todo List

Global poptAddAlias (poptContext con, struct poptAlias alias, int flags)

Pass alias by reference, not value.

Global poptCallbackType )(poptContext con, enum poptCallbackReason reason, const struct poptOption *opt, const char *arg, const void *data)

Document.

Document.

Global showShortOptions (const struct poptOption *opt, FILE *fp, char *str)

Sub-tables should be recursed.