#include class Matrix3x3 { public: float A[3][3]; }; void AddNum(Matrix3x3 *p, float x) { int i, j; for (i = 0; i < 3; i = i + 1) for (j = 0; j < 3; j = j + 1) p->A[i][j] = p->A[i][j] + x; }; int main(int argc, char *argv[]) { int i; AddNum( (Matrix3x3 *) &i, 4); }