#include "iodesc.h" struct netif { void *nif_devdata; }; ssize_t netif_get __P((struct iodesc *, void *, size_t, time_t)); ssize_t netif_put __P((struct iodesc *, void *, size_t)); int netif_open __P((void *)); int netif_close __P((int)); struct iodesc *socktodesc __P((int));