Passing an int array of variable length as a function parameter in Objective C

Question

I have the following code which works fine...

int testarr[3][3] = {
  {1,1,1},
  {1,0,1},
  {1,1,1}
};   
[self testCall: testarr];

Which c

Answer 1

C arrays can't be variable in more than one dimension.

You can't have this:

int testarr[][] = {
  {1,1,1},
  {1,0,1,2},
  {1,1}
};

But you can have this:

int testarr[][3] = {
  {1,1,1},
  {1,0,1},
  {1,1,1},
  {4,5,6},
  {7,8,9}
}

foo(testarr);

void foo(int param[][3])
{
    printf("%d", param[3][1]); // prints 5
}