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Explain or Discuss function call.

Function call : In order to use functions user need to invoke it at a required place in the program. This is known as the function call. A function can be called by simply using the function name followed by a list of actual parameters, if any, enclosed in parentheses.

Example : 

int function mul(int x, int y){
return x*y;

int function main(){
int a = mul(10,5);
return 0;

Here in the main() program the mul(10,5) is a function call to mul(int x, int y) function.

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