diff -urN cui123/cui.c cui124/cui.c
--- cui123/cui.c	Fri Apr 18 00:00:00 2014
+++ cui124/cui.c	Mon Apr 21 00:00:00 2014
@@ -116,8 +116,15 @@
 void
 cui_fini(int init_ret)
 {
+	int sfd;
+
 	cui_esc_exit();
 	cui_key_fd_close(); /* without KEY_FD (0) */
+	for(sfd=0; sfd<FD_SETSIZE; sfd++){
+		if(!FD_ISSET(sfd, &sfds)) continue;
+		close(sfd);
+		FD_CLR(sfd, &sfds);
+	}
 	if(use_stdio){
 		cui_key_exit();
 	}
diff -urN cui123/cui_srv.c cui124/cui_srv.c
--- cui123/cui_srv.c	Fri Apr 18 23:00:00 2014
+++ cui124/cui_srv.c	Mon Apr 21 00:00:00 2014
@@ -13,6 +13,10 @@
 #include "button.h"
 #include "dialog.h"
 
+struct conn_prm{
+	cui view, conn, close_btn, tab;
+};
+
 static int
 w_get(char **av)
 {
@@ -36,19 +40,22 @@
 }
 
 static void
-client_add(cui tab, int cfd)
+client_add(cui tab, int cfd, void *prm)
 {
+	struct conn_prm *p = (struct conn_prm *)prm;
+	int y = cui_y2(cui_tab_scline(tab));
+	cui termin = cui_termin_new(p->view, 0, 0, 0, 0, cfd);
+
 	static int cnt = 0;
 	char buf[16];
-	cui view = cui_tab_parent(tab);
-	int y = cui_y2(cui_tab_scline(tab));
-	cui termin = cui_termin_new(view, 0, 0, 0, 0, cfd);
 
 	cui_hide(termin);
-	cui_xywh_set(termin, 0, y, view->w, view->h - y);
+	cui_xywh_set(termin, 0, y, p->view->w, p->view->h - y);
 
 	sprintf(buf, "%d", cnt++);
 	cui_tab_add(tab, strdup(buf), termin, FALSE);
+
+	cui_show(p->close_btn);
 }
 
 static int
@@ -60,7 +67,7 @@
 	case CUI_EVT_READABLE:
 		sfd = val;
 		if((cfd = cui_srv_accept(sfd)) == -1) return FALSE;
-		client_add(obj, cfd);
+		client_add(obj, cfd, prm);
 		break;
 	default:
 		return FALSE;
@@ -71,7 +78,8 @@
 static int
 view_hdr(cui obj, int evt, int val, void *prm)
 {
-	cui tab = (cui)prm;
+	struct conn_prm *p = (struct conn_prm *)prm;
+	cui tab = p->tab;
 	cui termin, tab_btn, fc;
 
 	switch(evt){
@@ -81,6 +89,7 @@
 		if(fc == tab || fc == termin) cui_focus_set(NULL);
 		cui_tab_del(tab, termin);
 		cui_termin_del_free(termin);
+		if(cui_tab_n_get(tab) <= 0) cui_hide(p->close_btn);
 		break;
 	case CUI_EVT_RESIZE:
 		for(tab_btn=tab->children; tab_btn; tab_btn=tab_btn->next){
@@ -94,10 +103,6 @@
 	return TRUE;
 }
 
-struct conn_prm{
-	cui view, conn, tab;
-};
-
 static int
 conn_hdr(cui obj, int evt, int val, void *prm)
 {
@@ -107,13 +112,22 @@
 
 	switch(evt){
 	case CUI_EVT_BUTTON:
-		strcpy(host, "localhost");
-		if(!cui_host_port_dialog(p->view, p->conn->x+1, cui_y2(p->conn), host, &port)) break;
-		if((cfd = cui_conn_host_port(host, port)) == -1){
-			cui_msg_dialog(p->view, "connect failed");
-			break;
+		if(obj == p->conn){
+			strcpy(host, "localhost");
+			if(!cui_host_port_dialog(p->view, p->conn->x+1, cui_y2(p->conn), host, &port)) break;
+			if((cfd = cui_conn_host_port(host, port)) == -1){
+				cui_msg_dialog(p->view, "connect failed");
+				break;
+			}
+			client_add(p->tab, cfd, prm);
+		}else if(obj == p->close_btn){
+			cui_termin termin = (cui_termin)cui_tab_get(p->tab);
+			if(termin){
+				char buf[1024];
+				sprintf(buf, "close tab '%s' ?", cui_tab_str_get(p->tab));
+				if(cui_confirm_dialog(p->view, buf)) cui_termin_kill((cui)termin);
+			}
 		}
-		client_add(p->tab, cfd);
 		break;
 	default:
 		return FALSE;
@@ -128,24 +142,27 @@
 	cui bs = cui_scpanel_new(NULL, 0, 0, w_get(av), h_get(av), "cui_srv");
 	cui view = ((cui_scpanel)bs)->view;
 	cui conn = cui_button_new(view, 0, 0, "conn");
-	cui tab = cui_tab_new(view, cui_x2(conn) + 1, 0, 0, NULL, NULL, FALSE);
+	cui close_btn = cui_button_new(view, cui_x2(conn) + 1, 0, "close");
+	cui tab = cui_tab_new(view, cui_x2(close_btn) + 1, 0, 0, NULL, NULL, FALSE);
 	char **av2 = av;
 	int port, sfd;
-	struct conn_prm cprm = {view, conn, tab};
+	struct conn_prm cprm = {view, conn, close_btn, tab};
 
-	cui_bind(tab, CUI_EVT_READABLE, tab_hdr, NULL);
+	cui_hide(close_btn);
+	cui_bind(tab, CUI_EVT_READABLE, tab_hdr, &cprm);
 	while((port = cui_arg_int(av2, "-port", -1, &av2)) != -1){
 		if((sfd = cui_srv_port(port)) == -1) continue;
 		cui_readable_add(tab, sfd);
 	}
-	cui_bind(view, CUI_EVT_DEAD | CUI_EVT_RESIZE, view_hdr, tab);
+	cui_bind(view, CUI_EVT_DEAD | CUI_EVT_RESIZE, view_hdr, &cprm);
 	cui_bind(conn, CUI_EVT_BUTTON, conn_hdr, &cprm);
+	cui_bind(close_btn, CUI_EVT_BUTTON, conn_hdr, &cprm);
 
 	cui_main(bs, NULL);
 	cui_free(bs);
 	cui_fini(init_ret);
 
-	close(sfd);
+	// readable sfds close ...
 	return 0;
 }
 
diff -urN cui123/dialog.c cui124/dialog.c
--- cui123/dialog.c	Fri Apr 18 00:00:00 2014
+++ cui124/dialog.c	Mon Apr 21 00:00:00 2014
@@ -74,7 +74,7 @@
 }
 
 static int
-host_port_hdr(cui obj, int evt, int val, void *prm)
+ok_cancel_hdr(cui obj, int evt, int val, void *prm)
 {
 	int *ret = (int *)prm;;
 	switch(evt){
@@ -100,8 +100,8 @@
 	cui cancel = cui_button_new(view, cui_x2(ok)+1, ok->y, "Cancle");
 	int result;
 
-	cui_bind(ok, CUI_EVT_BUTTON, host_port_hdr, &result);
-	cui_bind(cancel, CUI_EVT_BUTTON, host_port_hdr, &result);
+	cui_bind(ok, CUI_EVT_BUTTON, ok_cancel_hdr, &result);
+	cui_bind(cancel, CUI_EVT_BUTTON, ok_cancel_hdr, &result);
 
 	cui_main(panel, etxt);
 	cui_hide(panel);
@@ -110,6 +110,34 @@
 		strcpy(host, cui_etext_str_get(etxt));
 		*port = cui_num_get(num);
 	}
+	cui_del_free(panel);
+	return result;
+}
+
+int
+cui_confirm_dialog(cui parent, char *s)
+{
+	int n = strlen(s);
+	int bw = strlen("(OK)") + 1 + strlen("(Cancel)");
+	int w = n > bw ? n : bw;
+	int x = (parent->w - (w+4)) / 2;
+	int y = (parent->h - 5) / 2;
+	cui panel = cui_panel_new(parent, x, y, w+4, 5);
+	cui view = cui_base_new(panel, 2, 1, w, 3);
+	cui ok, cancel;
+	int result;
+
+	cui_label_new(view, 0, 0, s);
+	x = (w - bw) / 2;
+	y = 2;
+	ok = cui_button_new(view, x, y, "OK");
+	cancel = cui_button_new(view, cui_x2(ok)+1, y, "Cancel");
+	cui_bind(ok, CUI_EVT_BUTTON, ok_cancel_hdr, &result);
+	cui_bind(cancel, CUI_EVT_BUTTON, ok_cancel_hdr, &result);
+
+	cui_main(panel, cancel);
+	cui_hide(panel);
+	cui_draw(parent);
 	cui_del_free(panel);
 	return result;
 }
diff -urN cui123/dialog.h cui124/dialog.h
--- cui123/dialog.h	Fri Apr 18 00:00:00 2014
+++ cui124/dialog.h	Mon Apr 21 00:00:00 2014
@@ -12,5 +12,6 @@
 cui cui_simple_dialog_new(cui parent, int x, int y, char *s, char *s_btn1, char *s_btn2);
 void cui_msg_dialog(cui parent, char *s);
 int cui_host_port_dialog(cui parent, int x, int y, char *host, int *port);
+int cui_confirm_dialog(cui parent, char *s);
 
 #endif
diff -urN cui123/tab.c cui124/tab.c
--- cui123/tab.c	Fri Apr 18 23:30:00 2014
+++ cui124/tab.c	Mon Apr 21 00:00:00 2014
@@ -113,7 +113,7 @@
 {
 	cui obj = (cui)step_prm;
 	cui_tab p = (cui_tab)obj;
-	int n = cui_index(obj->children) + 1;
+	int n = cui_tab_n_get(obj);
 	int i, x, ret = 1;
 	cui btn = NULL;
 	cui view = cui_scline_view_get(p->scl);
@@ -231,6 +231,21 @@
 cui_tab_parent(cui obj)
 {
 	return cui_tab_scline(obj)->parent;
+}
+
+int
+cui_tab_n_get(cui obj)
+{
+	return obj->children == NULL ? 0 : cui_index(obj->children) + 1;
+}
+
+char *
+cui_tab_str_get(cui obj)
+{
+	cui sheet = cui_tab_get(obj);
+	cui btn = btn_get(obj, sheet);
+	if(btn == NULL) return "";
+	return cui_radio_str_get(btn);
 }
 
 /* EOF */
diff -urN cui123/tab.h cui124/tab.h
--- cui123/tab.h	Fri Apr 18 23:00:00 2014
+++ cui124/tab.h	Mon Apr 21 00:00:00 2014
@@ -32,5 +32,7 @@
 
 cui cui_tab_scline(cui obj);
 cui cui_tab_parent(cui obj);
+int cui_tab_n_get(cui obj);
+char *cui_tab_str_get(cui obj);
 
 #endif
diff -urN cui123/term.c cui124/term.c
--- cui123/term.c	Thu Apr 17 22:00:00 2014
+++ cui124/term.c	Mon Apr 21 00:00:00 2014
@@ -518,6 +518,12 @@
 }
 
 void
+cui_termin_kill(cui obj)
+{
+	termin_dead(obj);
+}
+
+void
 cui_termin_del_free(cui obj)
 {
 	cui_termin p = (cui_termin)obj;
diff -urN cui123/term.h cui124/term.h
--- cui123/term.h	Wed Apr 16 00:00:00 2014
+++ cui124/term.h	Mon Apr 21 00:00:00 2014
@@ -59,6 +59,7 @@
 cui cui_termin_new(cui parent, int x, int y, int w, int h, int sock);
 void cui_termin_init(cui obj, cui parent, int x, int y, int w, int h, int sock);
 int cui_termin_hdr(cui obj, int evt, int val, void *prm);
+void cui_termin_kill(cui obj);
 void cui_termin_del_free(cui obj);
 
 /**/