Exercise 1-6 , 1-7

Exercise 1-6 Verify that the expression getchar() != EOF is 0 or 1. 

source code

#include <stdio.h>
 
int main()
{
 int c;
 
 while( c = getchar()  != EOF )
 {
  putchar(c);
 }
 
 return 0;
}

Exercise 1-7 Write a program to print the value of EOF.

source code

#include <stdio.h>
 
int main()
{
 
 printf(" %d \n " , EOF );
 
 return 0;
}