char ASCII in c

#include <stdio.h>
int main()
{
/*
When a character is entered by the user in the above program, 
the character itself is not stored. Instead, an integer value (ASCII value) is stored.

And when we display that value using %c text format, 
the entered character is displayed. If we use %d to display the character,
it's ASCII value is printed.
*/
    char chr;
    printf("Enter a character: ");
    scanf("%c",&chr);  
    printf(" char in  ASCII value %d.", chr); 
    printf("You entered %c.", chr);  
    return 0;
}