code: func (v *FontDescription) SetFamily(family string) {
  	cstr := C.CString(family)
  	defer C.free(unsafe.Pointer(cstr))
  	C.pango_font_description_set_family(v.native(), (*C.char)(cstr))
  }
docs: //void                  pango_font_descriptions_free       (PangoFontDescription       **descs,
  //							  int                          n_descs);
  //func (v *FontDescription) FontDescriptionsFree(n_descs int) {
  //	C.pango_font_descriptions_free(v.native(), C.int(n_descs))
  //}
  //void                 pango_font_description_set_family        (PangoFontDescription *desc,
  //							       const char           *family);