DISABLED
#define CHK(val, dft) (unsigned char) (DISABLED(val) ? dft : val)
if (DISABLED(tty_settings->c_cc[VERASE]) || my_erase >= 0) {
if (DISABLED(tty_settings->c_cc[VINTR]) || my_intr >= 0) {
if (DISABLED(tty_settings->c_cc[VKILL]) || my_kill >= 0) {
if (DISABLED(newer)) {
%token ENABLED DISABLED NORMAL DISCOVERY
| DISABLED { $$ = 1; }
{"disabled", DISABLED},