void foo (int y, int z, unsigned char **t, int **c, int *b) { int i, j, k; unsigned char a[2]; a[0] = 0; a[1] = 0; for (j = 0; j < z; j++) for (i = 0; i < y; i++, a[0] += 3) for (k = 0; k < 3; k++) c[0][k] += 3 * b[k]; for (i = 0; i < 3; i++) if (t[0][i] + c[0][i] / a[0] <= 0) t[0][i] = 0; else t[0][i] = t[0][i] + c[0][i] / a[0]; }