Pointer MCQs

What will be the output of the following C code?

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

What will be the output of the following C code?

#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;
}

What will be the output of the following C code?

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

What will be the output of the following C code?

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

What will be the output of the following C code?

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

Which of the following are generated from char pointer?

What will be the output of the following C code?

#include <stdio.h>
void f(char *k)
{
    k++;
    k[2] = 'm';
    printf("%c\n", *k);
}
void main()
{
    char s[] = "hello";
    f(s);
}

What will be the output of the following C code?

#include <stdio.h>
void f(int);
void (*foo)(float) = f;
int main()
{
    foo(10);
}
void f(int i)
{
    printf("%d\n", i);
}

Which of the following is the correct syntax to declare a 3 dimensional array using pointers?