which is not null-terminated. The caller must not free or
modify the returned string. */
void
-dfm_get_record (struct dfm_reader *r, struct len_string *line)
+dfm_get_record (struct dfm_reader *r, struct fixed_string *line)
{
assert ((r->flags & DFM_ADVANCE) == 0);
assert ((r->flags & DFM_EOF) == 0);