1void
2foo (int y, int z, unsigned char **t, int **c, int *b)
3{
4  int i, j, k;
5  unsigned char a[2];
6
7  a[0] = 0;
8  a[1] = 0;
9  for (j = 0; j < z; j++)
10    for (i = 0; i < y; i++, a[0] += 3)
11      for (k = 0; k < 3; k++)
12	c[0][k] += 3 * b[k];
13  for (i = 0; i < 3; i++)
14    if (t[0][i] + c[0][i] / a[0] <= 0)
15      t[0][i] = 0;
16    else
17      t[0][i] = t[0][i] + c[0][i] / a[0];
18}
19