List all families for a fontmap.
Note that the returned families are not in any particular order.
pango.font_map.FontMap also implemented the gio.list_model.ListModel interface for enumerating families.
location to store a pointer to an array of pango.font_family.FontFamily *. This array should be freed with glib.global.gfree.
List all families for a fontmap.
Note that the returned families are not in any particular order.
pango.font_map.FontMap also implemented the gio.list_model.ListModel interface for enumerating families.