49     formatcode *s_codes;  member
1297     if (self->s_codes != NULL)  in prepare_s()
1298         PyMem_FREE(self->s_codes);  in prepare_s()
1299     self->s_codes = codes;  in prepare_s()
1361         s->s_codes = NULL;  in s_new()
1408     if (s->s_codes != NULL) {  in s_dealloc()
1409         PyMem_FREE(s->s_codes);  in s_dealloc()
1423     for (code = soself->s_codes; code->fmtdef != NULL; code++) {  in s_unpack_internal()
1465     assert(soself->s_codes != NULL);  in s_unpack()
1515     assert(soself->s_codes != NULL);  in s_unpack_from()
1565     for (code = soself->s_codes; code->fmtdef != NULL; code++) {  in s_pack_internal()
1628     assert(soself->s_codes != NULL);  in s_pack()
1668     assert(soself->s_codes != NULL);  in s_pack_into()