Symbol: xmc_turn_on
lib/libcurses/tty/tty_update.c
1278
#define xmc_turn_on(sp,a,b) check_xmc_transition(sp,&(a), &(b))
lib/libcurses/tty/tty_update.c
1280
#define xmc_turn_on(sp,a,b) ((((a)^(b)) & ~(a) & (sp)->_xmc_triggers) != 0)