jump
lflag = jump();
int jump(void);
jump = 1;
if (!jump) {
boolean jump = 0;
extern boolean jump;
1, NULL, &jump
static void jump(int);
jump(next_room = (random() % room_num) + 1);
long jump;
for (jump = 0; jump < size; jump += 65535) {
pp[i][jump] = jump + i;