is_toughmelee
!is_toughmelee(sp, to, 0, 0))
if (is_toughmelee(sp, sq, 0, 0))
OBP = is_toughmelee(to, ship, 0, count + 1);
dbp = is_toughmelee(ship, to, 1, count + 1);
DBP = is_toughmelee(to, ship, 1, count + 1);
int is_toughmelee(struct ship *, struct ship *, int, int);