S_UNKNOWN
|| pp->safety[S_RIGHT_WAY] != S_UNKNOWN);
if (pp->safety[S_RIGHT_WAY] != S_UNKNOWN)
if (pp->safety[safe] != S_UNKNOWN)
if (pp->safety[S_RIGHT_WAY] != S_UNKNOWN)
S_UNKNOWN ? 2 : 3);
*value = (pp->safety[safe]!=S_UNKNOWN ? 3 : 4);
pp->safety[safe] != S_UNKNOWN)
S_UNKNOWN ? 3 : 4);
S_UNKNOWN)
pp->safety[j] = S_UNKNOWN;
if (pp->safety[i] != S_UNKNOWN)
&& pp->safety[i] == S_UNKNOWN)