Answer:
Default
Explanation:
When a Function is called, you pass a value to the parameter in function Call, and control is transferred to function definition. Parameters are optional that is, a function may contain no parameters.
Function definition contains the block of code to perform a specific task. Default arguments are passed to parameters in function definition if no argument is passed in function call.
Example: C program
#include <stdio.h>
int s(); //Function declaration
int main()
{
int n;
n = s(); //Function calling with no parameters
printf("\nSum = %d", n);
return 0;
}
int s() //Function definition
{
int c = 50, d = 80, s;
s = (c) + (d);
return s;
}
Output:
Sum=130