C32. Passing parameters to functions in C | Call by value vs Call by reference
In this video , we are going to discuss about passing parameters to functions.
Summary:
There are 2 ways to pass parameters to functions.
Sending values of variables --- Call by value
Sending Addresses of variables --- Call by reference
In call by value, actual variables are copied into function variables.
In call by reference, addresses of actual variables are copied into function variables.
If you don't want original variables to be modified , use call by value.
If you want original variables to be modified, use call by reference.
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