static void on_close (GtkAssistant *assistant, struct import_assistant *);
static void on_paste (GtkButton *button, struct import_assistant *);
static void on_reset (GtkButton *button, struct import_assistant *);
static void on_close (GtkAssistant *assistant, struct import_assistant *);
static void on_paste (GtkButton *button, struct import_assistant *);
static void on_reset (GtkButton *button, struct import_assistant *);