{ char prov; char ch; GtkWidget *entry = glade_xml_get_widget(xml, "entry"); prov = gtk_entry_get_text(GTK_ENTRY(entry)); FILE *in; in = fopen("password.text", "r"); ch = gets(in); fclose (in); if (ch == prov) { gtk_main_quit(); system("./Set"); return 0; }else { GtkWidget *labelNever; labelNever = glade_xml_get_widget(xml, "labelNever"); gtk_label_set_text (GTK_LABEL (labelNever) , "Неверный пароль"); }