ifc_ifcu 288 include/uapi/linux/if.h } ifc_ifcu; ifc_ifcu 292 include/uapi/linux/if.h #define ifc_buf ifc_ifcu.ifcu_buf /* buffer address */ ifc_ifcu 293 include/uapi/linux/if.h #define ifc_req ifc_ifcu.ifcu_req /* array of structures */