#include <gtk/gtk.h>#include "answer.h"     void answers( GtkWidget *widget,gpointer data )  {    gtk_widget_hide(data);    answer();       }  int request( )   {     GtkWidget *window;     GtkWidget *button;     GtkWidget *label1;     GtkWidget *label2;     GtkWidget *label3;     GtkWidget *label4;     GtkWidget *label5;     GtkWidget *button1;     GtkWidget *table;      window = gtk_window_new (GTK_WINDOW_TOPLEVEL);     gtk_window_set_title (GTK_WINDOW (window), "叫号系统");     gtk_window_set_default_size(GTK_WINDOW(window), 500, 500);     gtk_window_set_position(GTK_WINDOW(window),GTK_WIN_POS_CENTER_ALWAYS );       gtk_container_set_border_width (GTK_CONTAINER (window), 30);      table = gtk_table_new (8, 3, TRUE);     gtk_container_add (GTK_CONTAINER (window), table);      label1 = gtk_label_new ("柜台1服务情况");     label2= gtk_label_new ("柜台2服务情况");     label3 = gtk_label_new ("柜台3服务情况");     label4 = gtk_label_new ("柜台4服务情况");     label5 = gtk_label_new ("目前排队人数");     //button = gtk_button_new_with_label ("welcome!");     button1 = gtk_button_new_with_label ("叫号");      g_signal_connect (G_OBJECT (button1), "clicked",G_CALLBACK (answers), (gpointer) window);       //gtk_table_attach_defaults (GTK_TABLE (table), button, 0, 1, 0, 4);     gtk_table_attach_defaults (GTK_TABLE (table), label1, 0, 1, 3, 4);     gtk_table_attach_defaults (GTK_TABLE (table), label2, 0, 1, 4, 5);     gtk_table_attach_defaults (GTK_TABLE (table), label3, 0, 1, 5, 6);     gtk_table_attach_defaults (GTK_TABLE (table), label4, 0, 1, 6, 7);     gtk_table_attach_defaults (GTK_TABLE (table), button1, 1, 3, 1, 6);     gtk_table_attach_defaults (GTK_TABLE (table), label5, 1, 3, 6, 7);       gtk_widget_show_all(window);       gtk_main ();      return 0;}