#include <stdio.h>

char *binString(int n);

int main()
{
	unsigned short int value;

	printf("Enter an integer value, 0 to 65535: ");
	scanf("%d",&value);

	printf("Decimal value is %d\n",value);
	printf("Hexadecimal value is 0x%X\n",value);
	printf("Binary value is %s\n",binString(value));
	return(0);
}

char *binString(int n)
{
	static char bin[17];	/* must be static! */
	int x;

	for(x=0;x<16;x++)
	{
		bin[x] = n & 0x8000 ? '1' : '0';
		n <<= 1;
	}
	bin[16] = '\0';
	return(bin);
}