PUTC
PUTC(CHDEREF(ch));
PUTC(SI);
PUTC('\n');
PUTC(ESC);
PUTC('9');
PUTC('\r');
PUTC('\t');
PUTC(' ');
PUTC(SI);
PUTC(SO);
PUTC(c->c_char);
PUTC('\b');
PUTC('\r');
PUTC('\n');
PUTC(*s);
PUTC('?');