GtkRadioButton::gtk_radio_button_join_group

#include <gtk/gtk.h>

void gtk_radio_button_join_group( GtkRadioButton * radio_button,
GtkRadioButton * group_source );

#include <gtk/gtk.h>

int main( int argc, char * argv[] )
{
    GtkWidget * okno;
    GtkWidget * grid;
    GtkWidget * radioButton;
    GtkWidget * radioButton2;
   
    gtk_init( & argc, & argv );
   
    okno = gtk_window_new( GTK_WINDOW_TOPLEVEL );
    radioButton = gtk_radio_button_new_with_label( NULL, "Radio button!" );
    radioButton2 = gtk_radio_button_new_with_label( NULL,
    "Drugi radio button!" );
    gtk_radio_button_join_group( GTK_RADIO_BUTTON( radioButton2 ),
    GTK_RADIO_BUTTON( radioButton ) );
   
    grid = gtk_grid_new();
    gtk_grid_attach( GTK_GRID( grid ), radioButton, 0, 0, 1, 1 );
    gtk_grid_attach( GTK_GRID( grid ), radioButton2, 0, 1, 1, 1 );
    gtk_container_add( GTK_CONTAINER( okno ), grid );
   
    gtk_widget_show_all( okno );
   
    gtk_main();
   
    return 0;
}