IUCLC
ip->t.c_iflag &= ~IUCLC;
ip->t.c_iflag |= IUCLC;
{ "iuclc", IUCLC, 0 },
{ "-iuclc", 0, IUCLC },
put("-iuclc", IUCLC, 0);
#ifdef IUCLC
{"iuclc", IUCLC, MD_INP},
tmode.c_iflag |= IUCLC;
tmode.c_iflag &= ~IUCLC;
SET(iflag, IUCLC);
if (ISSET(lflag, XCASE) && ISSET(iflag, IUCLC)) {
else if (ISSET(iflag, IUCLC) && isupper(c))
#ifdef IUCLC
tio.c_iflag &= ~IUCLC;
#if defined(IUCLC)
TTYMODE(IUCLC, c_iflag, 37)
#ifdef IUCLC
| IUCLC
{ "iuclc", IUCLC, 0 },
{ "-iuclc", 0, IUCLC },
{ "iuclc", IUCLC, 0 },
{ "-iuclc", 0, IUCLC },