1. 

What is the output of the program 

#include<stdio.h>
int main()
{
    extern int fun(float);
    int a;
    a = fun(3.14);
    printf("%d\n", a);
    return 0;
}
int fun(int aa)
{
	return (int)++aa;
}


A. 0
B. 3.14
C. 4
D. 3
E. Compile Error

Answer: Option E

Explanation:

2 Errors
1. Type mismatch in redeclaration of fun
2. Type mismatch in parameter aa