Code compiles...but doesn't work (user input w/ gtk_entry )

["george carter" <cglobal25@hotmail.com>]

  This compiles fine but doesn't function, it just returns an error.  The 
problem is in the CancelButton function.  I want it to be called when the 
user inputs something and want to clear the gtk_entry box.  The CompareName 
function prints out what I want, but I'd like some advice on comparing the 
input with another word and maybe clearing the gtk_entry box when it returns 
false.  I'm sure there are safer ways to do it and it's probably found in 
milions of programs but any advice would be appreciated.





/** boxinterface.c **/

#include <gtk/gtk.h>

void CloseTheApp ( GtkWidget * window, gpointer data )
 {
    gtk_main_quit ();
 }

void CompareName ( GtkButton * OkButton, gpointer data )
 {
   g_print ("This function compares user names\n" );
 }

void ClearEntry ( GtkButton * CancelButton, gpointer data )
 {
   /* THIS FUNCTION KEEPS RETURNING AN ERROR. IT COMPILES FINE W/OUT 
ERRORS,
   * I'D LIKE TO HAVE THIS FUNCTION CALLED WHEN A USER ENTERS SOMETHING AND 
WANTS TO
   * TO CLEAR THE DISPLAY. THE PREVIOUS FUNCTION WORKS BUT OF COURSE 
DOESN'T RETURN
   * ANYTHING TO THE GTK_ENTRY BOX */
    GtkWidget * textentry ;
    gtk_entry_set_text ( GTK_ENTRY ( textentry ), "" ) ;
 }

 GtkWidget * MakeWindow ()
 {
   GtkWidget * window;

   window = gtk_window_new ( GTK_WINDOW_TOPLEVEL );
   gtk_container_set_border_width ( GTK_CONTAINER ( window ), 10 );
   gtk_window_set_default_size ( GTK_WINDOW ( window ), 320, 80 );
   gtk_window_set_title ( GTK_WINDOW ( window ), "Cervell 1.0" );
   gtk_signal_connect ( GTK_OBJECT ( window ),
      "destroy",
      GTK_SIGNAL_FUNC ( CloseTheApp ),
      NULL );

   return window;
}

GtkWidget * MakeEntryBox ()
{
   GtkWidget * box;
   GtkWidget * widget;
   GtkWidget * textentry ;

   box = gtk_hbox_new ( TRUE, 5 );

   widget = gtk_label_new ( "Please enter your name" );
   gtk_box_pack_start ( GTK_BOX ( box ), widget, FALSE, TRUE, 0 );

   textentry = gtk_entry_new ();
   gtk_box_pack_start ( GTK_BOX ( box ), textentry, FALSE, TRUE, 0 );

   return box;
}

GtkWidget * MakeButtons ()
{
   GtkWidget * box;
   GtkWidget * OkButton;
   GtkWidget * CancelButton ;

   box = gtk_hbox_new ( TRUE, 5 );

   OkButton = gtk_button_new_with_label ( "Ok" );
   gtk_box_pack_end ( GTK_BOX ( box ), OkButton, FALSE, TRUE, 0 );

   CancelButton = gtk_button_new_with_label ( "Cancel" );
   gtk_box_pack_end ( GTK_BOX ( box ), CancelButton, FALSE, TRUE, 0 );

   gtk_signal_connect ( GTK_OBJECT ( OkButton ),
      "pressed",
      GTK_SIGNAL_FUNC ( CompareName ),
      "pressed" ) ;

   gtk_signal_connect ( GTK_OBJECT ( CancelButton ),
      "pressed",
      GTK_SIGNAL_FUNC ( ClearEntry ),
      "pressed" ) ;

   return box;
}

gint main ( gint argc, gchar * argv [] )
{
   GtkWidget * window;
   GtkWidget * mainbox;
   GtkWidget * entrybox;
   GtkWidget * buttonbox;

   gtk_init ( &argc, &argv );

   window = MakeWindow ();
   entrybox = MakeEntryBox ();
   buttonbox = MakeButtons ();

   mainbox = gtk_vbox_new ( FALSE, 10 );
   gtk_box_pack_start ( GTK_BOX ( mainbox ), entrybox, FALSE, FALSE, 0 );
   gtk_box_pack_start (  GTK_BOX ( mainbox ), buttonbox, FALSE, FALSE, 0 );

   gtk_container_add  ( GTK_CONTAINER ( window ), mainbox );
   gtk_widget_show_all ( window ) ;

   gtk_main ();
   return 0;
}

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