A convenience function which creates a main group if it doesn't exist, adds the entries to it and sets the translation domain. Since 2.6
a NULL-terminated array of GOptionEntrys
a translation domain to use for translating the --help output for the options in entries with gettext(), or NULL. [allow-none]
See Implementation
A convenience function which creates a main group if it doesn't exist, adds the entries to it and sets the translation domain. Since 2.6