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What is the difference between pass by value by reference in c and pass by reference in c?
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What is the difference between pass by value by...
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Jan 21, 2021
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JackTerrance
What is the difference between pass by value by reference in c and pass by reference in c?
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Jan 21, 2021
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JackTerrance
Pass By Value:
In this method, the value of the variable is passed. Changes made to formal will not affect the actual parameters.
Different memory locations will be created for both variables.
Here there will be a temporary variable created in the function stack which does not affect the original variable.
Pass By Reference :
In Pass by reference, an address of the variable is passed to a function.
Whatever changes made to the formal parameter will affect the value of actual parameters(a variable whose address is passed).
Both formal and actual parameters shared the same memory location.
it is useful when you required to returns more than 1 value.
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