20.16. Write a program that reads two characters display maximum.

#include<stdio.h>
#include<conio.h> 

#include<stdlib.h>
void main ()

{
char *a,*b,*max;

a=(char*)malloc(sizeof(int));

b=(char*)malloc(sizeof(int));

clrscr();
printf("a=");

scanf("%c", a);

printf("b=");

scanf("%c", b);

if(*a>*b)

{

c=a;

else

c=b;

printf("Maximum= %c",*c);
getch ();
}