void pointer

Void pointer:

Void * p;

Int a=25;

Float b=10.8;

P=&a;

Pf(“%d”,*(int *)p);//type casting

P=&b;

Pf(“%d”,*(float *)p); type casting

An integer can not point to float, the advantage of void pointer is it can point to int,float, char.

• we can not use void pointer without type casting

#include<stdio.h>

#include<conio.h>

void main()

{

 int a=5;

 float f=5.2f;

 char ch='k';

 void *p;

 p=&a;

 printf("indirect accessing of a is %d\n",*(int *)p);

 p=&f;

 printf("indirect accessing of a f %f\n",*(float *)p);

 p=&ch

printf("indirect accessing of a is %ch\n",*(char *)p);

getch();
}
Pointers