int c_shquote_consume_char(char **outp,
                           size_t *n_outp,
                           const char **inp,
                           size_t *n_inp) {
        return c_shquote_consume_str(outp, n_outp, inp, n_inp, 1);
}
int c_shquote_consume_char(char **outp,
                           size_t *n_outp,
                           const char **inp,
                           size_t *n_inp) {
        return c_shquote_consume_str(outp, n_outp, inp, n_inp, 1);
}