+struct xref_value *gedcom_add_xref(Xref_type type, const char* xrefstr,
+ Gedcom_ctxt object);
+struct xref_value *gedcom_link_xref(Xref_type type, const char* xrefstr);
+struct xref_value *gedcom_unlink_xref(Xref_type type, const char* xrefstr);
+int gedcom_delete_xref(const char* xrefstr);
+
+/* Writing support */
+Gedcom_write_hndl gedcom_write_open(const char* filename);
+int gedcom_write_close(Gedcom_write_hndl hndl, int *total_conv_fails);
+int gedcom_write_set_encoding(const char* charset, Encoding width,
+ Enc_bom bom);
+int gedcom_write_set_line_terminator(Enc_line_end end);
+int gedcom_write_record_str(Gedcom_write_hndl hndl,
+ Gedcom_rec rec, char* tag,
+ struct xref_value* xref, char* val);
+int gedcom_write_element_str(Gedcom_write_hndl hndl,
+ Gedcom_elt elt, char* tag, int parent_rec_or_elt,
+ char* val);