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16. 

What will be the output of the program? 

#include<stdio.h>
int check(int);
int main()
{
    int i=45, c;
    c = check(i);
    printf("%d\n", c);
    return 0;
}
int check(int ch)
{
    if(ch >= 45)
        return 100;
    else
        return 10;
}

A. 100
B. 10
C. 1
D. 0
17. 

If int is 2 bytes wide.What will be the output of the program? 

#include <stdio.h>
void fun(char**);

int main()
{
    char *argv[] = {"ab", "cd", "ef", "gh"};
    fun(argv);
    return 0;
}
void fun(char **p)
{
    char *t;
    t = (p+= sizeof(int))[-1];
    printf("%s\n", t);
}

A. ab
B. cd
C. ef
D. gh
18. 

What will be the output of the program? 

#include<stdio.h>
int fun(int(*)());

int main()
{
    fun(main);
    printf("Hi\n");
    return 0;
}
int fun(int (*p)())
{
    printf("Hello ");
    return 0;
}

A. Infinite loop
B. Hi
C. Hello Hi
D. Error
19. 

What will be the output of the program? 

#include<stdio.h>

int fun(int i)
{
    i++;
    return i;
}

int main()
{
    int fun(int);
    int i=3;
    fun(i=fun(fun(i)));
    printf("%d\n", i);
    return 0;
}

A. 5
B. 4
C. Error
D. Garbage value
20. 

What will be the output of the program? 

#include<stdio.h>
int fun(int);
int main()
{
    float k=3;
    fun(k=fun(fun(k)));
    printf("%f\n", k);
    return 0;
}
int fun(int i)
{
    i++;
    return i;
}

A. 5.000000
B. 3.000000
C. Garbage value
D. 4.000000