CTLVAR
if (p[0] == CTLVAR && (p[1] & VSQUOTE) != 0 &&
case CTLVAR:
case CTLVAR:
else if (c == CTLVAR) {
else if (c == CTLVAR) {
USTPUTC(CTLVAR, out);
CTLVAR, VSNORMAL|VSQUOTE, '@', '=', '\0'
[SYNBASE + CTLVAR] = CCTL,
[SYNBASE + CTLVAR] = CCTL,
[SYNBASE + CTLVAR] = CCTL,
[SYNBASE + CTLVAR] = CCTL,
case CTLVAR:
case CTLVAR: c = 'v'; goto backslash;
case CTLVAR+CTLQUOTE: c = 'V'; goto backslash;