GREEK
greek = GREEK;
if (gflag != (*chr & GREEK) &&
isascii(*chr ^ (gflag ^ GREEK)) &&
!iscntrl(*chr ^ (gflag ^ GREEK)) &&
!isspace(*chr ^ (gflag ^ GREEK))) {
gflag ^= GREEK;
cshifted = (*chr ^ GREEK);
(void) putchar(*chr & ~GREEK);