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

#include <stdio.h>

enum {LOWER_TO_UPPER = -32};

static char cChar;

int main(void)

/* Read a letter from stdin, and write its uppercase equivalent
   to stdout.  Return 0. */

{
   scanf("%c", &cChar);           /* Could call getchar() */
   cChar += LOWER_TO_UPPER;       /* Should call toupper() */
   printf("%c\n", (int)cChar);    /* Could call putchar() */
   return 0;
}