/*--------------------------------------------------------------------*/
/* upper4.c                                                           */
/* Author: Bob Dondero                                                */
/*--------------------------------------------------------------------*/

#include <stdio.h>
#include <ctype.h>

int main(void)

/* Read text from stdin.  Convert the first character of each "word"
   to uppercase.  Write the result to stdout.  Return 0. */

{
   enum StateType {NORMAL, INWORD};

   int iChar;
   enum StateType eState = NORMAL;

   while ((iChar = getchar()) != EOF)
   {
      switch (eState)
      {
         case NORMAL:
            if (isupper(iChar))
            {
               putchar(iChar);
               eState = INWORD;
            }
            else if (islower(iChar))
            {
               putchar(toupper(iChar));
               eState = INWORD;
            }
            else
            {
               putchar(iChar);
               eState = NORMAL;
            }
            break;
         case INWORD:
            if (isalpha(iChar))
            {
               putchar(iChar);
               eState = INWORD;
            }
            else
            {
               putchar(iChar);
               eState = NORMAL;
            }
            break;
      }
   }
   return 0;
}