A pointer is

A pointer is

2) Comment on the following C statement.

  const int *ptr;

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

 #include <stdio.h>
 void main()
 {
    int x = 0;
    int *ptr = &5;
    printf("%p\n", ptr);
 }

4) What will be the output of the program ?

 #include<stdio.h>
 int main()
 {
     static char *s[] = {"black", "white", "pink", "violet"};
     char **ptr[] = {s+3, s+2, s+1, s}, ***p;
     p = ptr;
     ++p;
     printf("%s", **p+1);
     return 0;
 }

5) 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);
 }