Gets the family name field of a font description. See
pango_font_description_set_family().
Return: the family name field for the font description, or
%NULL if not previously set. This has the same life-time
as the font description itself and should not be freed.
Gets the family name field of a font description. See pango_font_description_set_family().
Return: the family name field for the font description, or %NULL if not previously set. This has the same life-time as the font description itself and should not be freed.