Function directionname

src/cmd.c:4312–4323

}

const char *
directionname(int dir)
{
    static NEARDATA const char *const dirnames[N_DIRS_Z] = {
        "west",      "northwest", "north",     "northeast", "east",
        "southeast", "south",     "southwest", "down",      "up",
    };

    if (dir < 0 || dir >= N_DIRS_Z)
        return "invalid";
    return dirnames[dir];
}

int
isok(coordxy x, coordxy y)