nfs_getfh
while (nfs_getfh(rpath, vers, &len, fh) < 0) {
extern int nfs_getfh(char *, int, int *, char *);
error = nfs_getfh(STRUCT_BUF(nga), get_udatamodel(), CRED());
extern int nfs_getfh(struct nfs_getfh_args *, model_t, cred_t *);