int loc_writer_set_vendor(struct loc_writer* writer, const char* vendor);
const char* loc_writer_get_description(struct loc_writer* writer);
int loc_writer_set_description(struct loc_writer* writer, const char* description);
+const char* loc_writer_get_license(struct loc_writer* writer);
+int loc_writer_set_license(struct loc_writer* writer, const char* license);
int loc_writer_add_as(struct loc_writer* writer, struct loc_as** as, uint32_t number);
int loc_writer_add_network(struct loc_writer* writer, struct loc_network** network, const char* string);