void fetch_mail (GtkWidget *button, gpointer user_data);
void send_msg (GtkWidget *button, gpointer user_data);
void send_to_url (const char *url);
void forward_msg (GtkWidget *button, gpointer user_data);
void reply_to_sender (GtkWidget *button, gpointer user_data);
void reply_to_all (GtkWidget *button, gpointer user_data);
void delete_msg (GtkWidget *button, gpointer user_data);
void expunge_folder (GtkWidget *button, gpointer user_data);