/* example-start arrow arrow.c */#include <gtk/gtk.h>/* Create an Arrow widget with the specified parameters * and pack it into a button */GtkWidget *create_arrow_button( GtkArrowType  arrow_type,				GtkShadowType shadow_type ){  GtkWidget *button;  GtkWidget *arrow;  button = gtk_button_new();  arrow = gtk_arrow_new (arrow_type, shadow_type);  gtk_container_add (GTK_CONTAINER (button), arrow);    gtk_widget_show(button);  gtk_widget_show(arrow);  return(button);}int main( int   argc,          char *argv[] ){  /* GtkWidget is the storage type for widgets */  GtkWidget *window;  GtkWidget *button;  GtkWidget *box;  /* Initialize the toolkit */  gtk_init (&argc, &argv);  /* Create a new window */  window = gtk_window_new (GTK_WINDOW_TOPLEVEL);  gtk_window_set_title (GTK_WINDOW (window), "Arrow Buttons");  /* It's a good idea to do this for all windows. */  gtk_signal_connect (GTK_OBJECT (window), "destroy",		      GTK_SIGNAL_FUNC (gtk_main_quit), NULL);  /* Sets the border width of the window. */  gtk_container_set_border_width (GTK_CONTAINER (window), 10);  /* Create a box to hold the arrows/buttons */  box = gtk_hbox_new (FALSE, 0);  gtk_container_set_border_width (GTK_CONTAINER (box), 2);  gtk_container_add (GTK_CONTAINER (window), box);  /* Pack and show all our widgets */  gtk_widget_show(box);  button = create_arrow_button(GTK_ARROW_UP, GTK_SHADOW_IN);  gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 3);  button = create_arrow_button(GTK_ARROW_DOWN, GTK_SHADOW_OUT);  gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 3);    button = create_arrow_button(GTK_ARROW_LEFT, GTK_SHADOW_ETCHED_IN);  gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 3);    button = create_arrow_button(GTK_ARROW_RIGHT, GTK_SHADOW_ETCHED_OUT);  gtk_box_pack_start (GTK_BOX (box), button, FALSE, FALSE, 3);    gtk_widget_show (window);    /* Rest in gtk_main and wait for the fun to begin! */  gtk_main ();    return(0);}/* example-end */