#include <stdio.h>
#include <conio.h>

void main()
{
	printf("sizeof(char*) = %d\n",sizeof(char*));         //4
	printf("sizeof(short*) = %d\n",sizeof(short*));       //4
	printf("sizeof(int*) = %d\n",sizeof(int*));           //4
	printf("sizeof(long double*) = %d\n",sizeof(long double*)); //4 
	getch();
}

Line 18: error: conio.h: No such file or directory
In function 'main':
Line 5: warning: return type of 'main' is not 'int'