Pointer - C Programming MCQ Questions and Answers

#include <stdio.h>
int mul(int a, int b, int c)
{
    return a * b * c;
}
void main()
{
    int (function_pointer)(int, int, int);
    function_pointer = mul;
    printf("The product of three numbers is:%d",
    function_pointer(2, 3, 4));
}

#include <stdio.h>
void main()
{
    int x = 0;
    int *ptr = &x;
    printf("%d\n", *ptr);
}

#include <stdio.h>
int main()
{
    int ary[4] = {1, 2, 3, 4};
    int p[4];
    p = ary;
    printf("%d\n", p[1]);
}

#include <stdio.h>
int main()
{
    int *((*x)())[2];
    x();
    printf("after x\n");
}
int *((*x)())[2]
{
    int **str;
    str = (int*)malloc(sizeof(int)* 2);
    return str;
}

#include <stdio.h>
void main()
{
    int k = 5;
    int *p = &k;
    int **m  = &p;
    **m = 6;
    printf("%d\n", k);
}

#include <stdio.h>
int *f();
int main()
{
    int *p = f();
    printf("%d\n", *p);
}
int *f()
{
    int j = 10;
    return &j;
}

#include <stdio.h>
struct student
{
    int no;
    char name[20];
};
void main()
{
    student s;
    s.name = "hello";
    printf("hello");
}