+int nfs_name_to_address(const char *, struct sockaddr *, socklen_t *);
+int nfs_string_to_sockaddr(const char *, struct sockaddr *, socklen_t *);
+int nfs_present_sockaddr(const struct sockaddr *,
+ const socklen_t, char *, const size_t);
+int nfs_callback_address(const struct sockaddr *, const socklen_t,
+ struct sockaddr *, socklen_t *);
+int clnt_ping(struct sockaddr_in *, const unsigned long,
+ const unsigned long, const unsigned int,
+ struct sockaddr_in *);
+
+struct mount_options;
+
+int nfs_options2pmap(struct mount_options *,
+ struct pmap *, struct pmap *);