Function with & and without

[muhammadmazhar76]

hi everyone..
can you define me difference b/w functions

Void duplicate (int& a,int& b,int& c)
{
...
...
}

Void duplicate (int a,int b,int c)
{
...
...
}

i cant understand it.
thank you

[j3Rz8vqX]

Function 1: Passed by reference.

Function 2: Passed by value.

http://www.learncpp.com/cpp-tutorial/73-passing-arguments-by-reference/

[muhammadmazhar76]

thank you......