| ctk_menu | Representation of an individual menu |
| ctk_menuitem | Representation of an individual menu item |
| ctk_menus | Representation of the menu bar |
| ctk_widget | The generic CTK widget structure that contains all other widget structures |
| ctk_window | Representation of a CTK window |
| dsc | The DSC program description structure |
| etimer | A timer |
| psock | The representation of a protosocket |
| timer | A timer |
| uip_conn | Representation of a uIP TCP connection |
| uip_eth_addr | Representation of a 48-bit Ethernet address |
| uip_eth_hdr | The Ethernet header |
| uip_fw_netif | Representation of a uIP network interface |
| uip_stats | The structure holding the TCP/IP statistics that are gathered if UIP_STATISTICS is set to 1 |
| uip_udp_conn | Representation of a uIP UDP connection |
