nfscmd_convdirplus
ret = nfscmd_convdirplus(ca, exi, data, nents, args->dircount, &ndata);
ret = nfscmd_convdirplus(ca, exi, (char *)rd->rd_entries, nents,
extern size_t nfscmd_convdirplus(struct sockaddr *, struct exportinfo *, char *,