-DBindContext *dbind_create_context (DBusBusType type, DBusError *opt_error);
-void dbind_context_free (DBindContext *ctx);
-dbus_bool_t dbind_context_method_call (DBindContext *ctx,
- const char *bus_name,
- const char *path,
- const char *interface,
- const char *method,
- DBusError *opt_error,
- const char *arg_types,
- ...);