Pass an array

When we pass an array to a function we pass it by reference. We don't declare the size of array in the function signature, but the function also cannot determine it itself. So here we hard-coded it.

{% emebed include file="src/examples/call-by-ref/call.c" %}

0 0
1 0
2 0
3 0
--------
0 0
1 0
2 2
3 1
--------