ISTHERE
if (ISTHERE(c)) {
if (((c & 0200) == 0 && ISTHERE(c)) ^ neg) {
if (!ISTHERE(c))
if (!ISTHERE(c))
if (((c & 0200) || !ISTHERE(c)) ^ neg)
if (((c & 0200) || !ISTHERE(c)) ^ neg)
} while (ISTHERE(c));
} while (((c & 0200) == 0 && ISTHERE(c)) ^ neg);
if (ISTHERE(c)) {
if (!ISTHERE(c))
if (!ISTHERE(c))
} while (ISTHERE(c));
return (ISTHERE(c) && !neg || !ISTHERE(c) && neg);