extern void subsurface_open_conf(void);
extern void subsurface_set_conf(char *name, pref_type_t type, const void *value);
extern const void *subsurface_get_conf(char *name, pref_type_t type);
extern void subsurface_open_conf(void);
extern void subsurface_set_conf(char *name, pref_type_t type, const void *value);
extern const void *subsurface_get_conf(char *name, pref_type_t type);
extern void set_divelist_font(const char *);
extern void import_dialog(GtkWidget *, gpointer);
extern void set_divelist_font(const char *);
extern void import_dialog(GtkWidget *, gpointer);
extern void report_error(GError* error);
extern int process_ui_events(void);
extern void update_progressbar(progressbar_t *progress, double value);
extern void report_error(GError* error);
extern int process_ui_events(void);
extern void update_progressbar(progressbar_t *progress, double value);
extern GtkWidget *dive_profile_widget(void);
extern GtkWidget *dive_info_frame(void);
extern GtkWidget *extended_dive_info_widget(void);
extern GtkWidget *equipment_widget(void);
extern GtkWidget *dive_profile_widget(void);
extern GtkWidget *dive_info_frame(void);
extern GtkWidget *extended_dive_info_widget(void);
extern GtkWidget *equipment_widget(void);
typedef void (*data_func_t)(GtkTreeViewColumn *col,
GtkCellRenderer *renderer,
GtkTreeModel *model,
typedef void (*data_func_t)(GtkTreeViewColumn *col,
GtkCellRenderer *renderer,
GtkTreeModel *model,