/*  Iffing.c  (c) Kari Laitinen

    http://www.naturalprogramming.com/

    2013-11-20 File created.
    2013-11-20 Last modification.

    Note that this program may not work correctly
    if non-English letters are given to it.
*/

#include  <stdio.h>

int main()
{
   printf( "\n Please, type in a character:  " ) ;

   char given_character = getchar() ;

   if ( given_character  <  ' ' )
   {
      printf( "\n That is an unprintable character. \n" ) ;
   }
   else if ( given_character >= '0'  &&  given_character <= '9' )
   {
      printf( "\n You hit the number key %c. \n ", given_character ) ;
   }
   else if ( given_character >= 'A'  &&  given_character <= 'Z' )
   { 
      printf( "\n %c is an uppercase letter. \n", given_character ) ;
   }
   else if ( given_character >= 'a'  &&  given_character <= 'z' )
   {
      printf( "\n %c is a lowercase letter. \n", given_character ) ;
   }
   else
   {
      printf( "\n %c is a special character. \n", given_character ) ;
   }
}