A pointer is

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A pointer is



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

 #include <stdio.h>
int main()
{
int *ptr, a = 10;
ptr = &a;
*ptr += 1;
printf("%d,%d/n", *ptr, a);
}

3) What is (void*)0?

4) 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;
}

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

 #include <stdio.h>
int main()
{
int i = 10;
void *p = &i;
printf("%d\n", (int)*p);
return 0;
}

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