+struct user_rec* gom_get_user_rec_by_xref(const char *xref);
+struct user_rec* gom_add_user_rec(const char* xrefstr, const char* tag);
+int gom_delete_user_rec(struct user_rec* obj);
+
+char* gom_get_string(char* data);
+char* gom_set_string(char** data, const char* utf8_str);
+
+char* gom_get_string_for_locale(char* data, int* conversion_failures);
+char* gom_set_string_for_locale(char** data, const char* locale_str);
+void gom_set_unknown(const char* unknown);