extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head, nfsd_queue;
+typedef int (*nfsrv_proc_t)(struct nfsrv_descript *, struct nfsrv_sock *,
+ vfs_context_t, mbuf_t *);
+
/* mutex for nfs server */
extern lck_mtx_t *nfsd_mutex;
extern int nfsd_thread_count, nfsd_thread_max;