695                                        int y, int last_x, int x)  in find_and_clear_dirty_height()  argument
701         if (!vnc_get_bit(s->dirty[y + h], last_x))  in find_and_clear_dirty_height()
703         for (tmp_x = last_x; tmp_x < x; tmp_x++)  in find_and_clear_dirty_height()
784             int last_x = -1;  in vnc_update_client()  local
787                     if (last_x == -1) {  in vnc_update_client()
788                         last_x = x;  in vnc_update_client()
792                     if (last_x != -1) {  in vnc_update_client()
793                         int h = find_and_clear_dirty_height(&vs->server, y, last_x, x);  in vnc_update_client()
794                         send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);  in vnc_update_client()
797                     last_x = -1;  in vnc_update_client()
800             if (last_x != -1) {  in vnc_update_client()
801                 int h = find_and_clear_dirty_height(&vs->server, y, last_x, x);  in vnc_update_client()
802                 send_framebuffer_update(vs, last_x * 16, y, (x - last_x) * 16, h);  in vnc_update_client()
1282         if (vs->last_x != -1)  in pointer_event()
1283             kbd_mouse_event(x - vs->last_x,  in pointer_event()
1286         vs->last_x = x;  in pointer_event()
2077     vs->last_x = -1;  in vnc_connect()