export_link
struct export_link link;
struct export_link tail;
struct export_link ax_link;
struct export_link ax_next_v1;
struct export_link ax_last; /* terminator */
export_link(ne, exi);
export_link(ne, exi);
export_link(ne, ne->exi_root);
extern void export_link(nfs_export_t *, struct exportinfo *);