SLIST_HEAD(dn_pipe_head, dn_pipe);
#ifdef _KERNEL
-typedef int ip_dn_ctl_t(struct sockopt *); /* raw_ip.c */
typedef void ip_dn_ruledel_t(void *); /* ip_fw.c */
-typedef int ip_dn_io_t(struct mbuf **m, int dir, struct ip_fw_args *fwa);
-extern ip_dn_ctl_t *ip_dn_ctl_ptr;
extern ip_dn_ruledel_t *ip_dn_ruledel_ptr;
-extern ip_dn_io_t *ip_dn_io_ptr;
/*
* Return the IPFW rule associated with the dummynet tag; if any.