coba

#include<iostream.h>
    void increase(void*data, int type)
    {
    switch (type)
    {
    case Size of(char):(*((char*)data))++;break;
    case Size of(short):(*((short*)data)++;break;
    case Size of(long): (*((long*)data))++;break;
    {
    }
    int main ()
    }
    char a=5
    short b=9
    long c=12
    increase (20, Size of(a));
    increase (&b, Size of(b));
    increase (&c, Size of(c));
    cout<<(int) a<<","<<b<<",",<<c;
    return 0;
   }