coin_toss
((rooms[rn].is_room & R_CROSS) && coin_toss())) {
if (coin_toss()) {
if ((monster->m_flags & WANDERS) && coin_toss()) {
return(coin_toss() ? 1 : 0);
if (coin_toss()) {
n = coin_toss() ? get_rand(2, 4) : get_rand(3, 5);
if (coin_toss()) {
ring->is_cursed = coin_toss();
int coin_toss(void);
if (coin_toss()) {
if ((!mon_sees(monster, rogue.row, rogue.col)) || coin_toss()) {
if (coin_toss()) {