C program for size of a pointer

SIZE OF A POINTER

void main()

{

    int a=10;

    char ch='x';

    float f=9.7;

    int *p=&a;

    char*q=&ch;

    float*r=&f;

    printf("%d,%d,%d\n",sizeof(a),sizeof(ch),sizeof(f));

    printf("%d,%d,%d",sizeof(p),sizeof(q),sizeof(r));

}

OUTPUT

4,1,4

2,2,2