Function xytodir

src/cmd.c:3846–3855

convert an x,y pair into a direction code */

/* convert an x,y pair into a direction code */
int
xytodir(int x, int y)
{
    int dd;

    for (dd = 0; dd < N_DIRS; dd++)
        if (x == xdir[dd] && y == ydir[dd])
            return dd;
    return DIR_ERR;
}

/* convert a direction code into an x,y pair */
void