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Question


Will the following functions work?


int f1(int a, int b)
{
return ( f2(20) );
}
int f2(int a)
{
return (a*a);
}
Options:
A .  Yes
B .  No
Answer: Option A


Yes, It will return the value 20*20 = 400
Example:


#include<stdio.h>
int f1(int, int); /* Function prototype */
int f2(int); /* Function prototype */
int main()
{
int a = 2, b = 3, c;
c = f1(a, b);
printf("c = %d\n", c);
return 0;
}
int f1(int a, int b)
{
return ( f2(20) );
}
int f2(int a)
{
return (a * a);
}


Output:
c = 400



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