What is (void*)0?

Home | Discussion Forum

What is (void*)0?

View More Related Question

1) What would be the equivalent pointer expression for referring the array element a[i][j][k][l]

2) What will be the output of the program ?

  #include<stdio.h>
int main()
{
int x=30, *y, *z;
y=&x; /* Assume address of x is 500 and integer is 4 byte size */
z=y;
*y++=*z++;
x++;
printf("x=%d, y=%d, z=%d\n", x, y, z);
return 0;
}

3) What will be the output of the following C code?

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

4) What will be the output of the following C code?

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

5) A pointer is

UP Gk Online Test

taiyari24hour.com