#include <stdio.h>
int main(int argc, char *argv[])
{
void *pvData = NULL; //void pointer
int *iData = NULL;// integer pointer
char *cData = NULL;//character pointer
float *fData = NULL;//float pointer
//size of void pointer
printf("size of void pointer = %d\n\n",sizeof(pvData));
//size of void pointer
printf("size of integer pointer = %d\n\n",sizeof(iData));
//size of void pointer
printf("size of character pointer = %d\n\n",sizeof(cData));
//size of void pointer
printf("size of float pointer = %d\n\n",sizeof(fData));
return 0;
}