a pointer to the array of command line arguments. inout[array length=argc]
a string which is displayed in the first line of --help output, after programname OPTION...
a NULL-terminated array of GOptionEntrys describing the options of your program. [array zero-terminated=1]
a translation domain to use for translating the --help output for the options in entries with gettext(), or NULL
TRUE if the GUI has been successfully initialized, FALSE otherwise.
GException on failure.
This function does the same work as gtk_init_check(). Additionally, it allows you to add your own commandline options, and it automatically generates nicely formatted --help output. Note that your program will be terminated after writing out the help output. Since 2.6