char *argv_iter (struct argv_iterator *, enum argv_iter_err *)
_GL_ARG_NONNULL ((1, 2));
size_t argv_iter_n_args (struct argv_iterator const *)
- _GL_ARG_NONNULL ((1));
+ _GL_ATTRIBUTE_PURE _GL_ARG_NONNULL ((1));
void argv_iter_free (struct argv_iterator *)
_GL_ARG_NONNULL ((1));