Function all_digits_p

src/seq.c:541–547

Return true if S consists of at least one digit and no non-digits. */

/* Return true if S consists of at least one digit and no non-digits.  */
ATTRIBUTE_PURE
static bool
all_digits_p (char const *s)
{
  size_t n = strlen (s);
  return c_isdigit (s[0]) && n == strspn (s, "0123456789");
}

int
main (int argc, char **argv)