43     formatcode *s_codes;  member
1354     if (self->s_codes != NULL)  in prepare_s()
1355         PyMem_FREE(self->s_codes);  in prepare_s()
1356     self->s_codes = codes;  in prepare_s()
1417         s->s_codes = NULL;  in s_new()
1473     if (s->s_codes != NULL) {  in s_dealloc()
1474         PyMem_FREE(s->s_codes);  in s_dealloc()
1488     for (code = soself->s_codes; code->fmtdef != NULL; code++) {  in s_unpack_internal()
1536     assert(self->s_codes != NULL);  in Struct_unpack_impl()
1567     assert(self->s_codes != NULL);  in Struct_unpack_from_impl()
1717     assert(self->s_codes != NULL);  in Struct_iter_unpack()
1768     for (code = soself->s_codes; code->fmtdef != NULL; code++) {  in s_pack_internal()
1854     assert(soself->s_codes != NULL);  in s_pack()
1894     assert(soself->s_codes != NULL);  in s_pack_into()
2000     for (code = self->s_codes; code->fmtdef != NULL; code++)  in s_sizeof()