ss->n_defs = 0;
cpp_forall_identifiers (r, write_defs, ss);
/* Sort the list, copy it into a buffer, and write it out. */
qsort (ss->defs, ss->n_defs, sizeof (cpp_hashnode *), &comp_hashnodes);
ss->n_defs = 0;
cpp_forall_identifiers (r, write_defs, ss);
/* Sort the list, copy it into a buffer, and write it out. */
qsort (ss->defs, ss->n_defs, sizeof (cpp_hashnode *), &comp_hashnodes);