CTLNONL
else if (c == CTLNONL)
((_ch) == CTLQUOTEMARK || (_ch) == CTLQUOTEEND || (_ch) == CTLNONL)
if (*p == CTLNONL)
case CTLNONL:
if (*p == CTLNONL) {
case CTLNONL:
case CTLNONL:
case CTLNONL:
STPUTC(CTLNONL, out);
STPUTC(CTLNONL, str);
case CTLNONL: