udf_read_fid_stream
error = udf_read_fid_stream(dvp, &diroffset, fid, dirent);
error = udf_read_fid_stream(vp, &diroffset, fid, dirent);
error = udf_read_fid_stream(dvp, &diroffset, fid, dirent);
error = udf_read_fid_stream(dvp, &diroffset, fid, dirent);
error = udf_read_fid_stream(vp, &fid_pos, fid, dirent);
int udf_read_fid_stream(struct vnode *vp, uint64_t *offset, struct fileid_desc *fid, struct dirent *dirent);
error = udf_read_fid_stream(vp, &diroffset, fid, dirent);