/*********************************************************
 * From C PROGRAMMING: A MODERN APPROACH, Second Edition *
 * By K. N. King                                         *
 * Copyright (c) 2008, 1996 W. W. Norton & Company, Inc. *
 * All rights reserved.                                  *
 * This program may be freely distributed for class use, *
 * provided that this copyright notice is retained.      *
 *********************************************************/

/* tcasemap.c (Chapter 23, page 615) */
/* Tests the case-mapping functions */

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

int main(void)
{
  char *p;

  for (p = "aA0!"; *p != '\0'; p++) {
    printf("tolower('%c') is '%c'; ", *p, tolower(*p));
    printf("toupper('%c') is '%c'\n", *p, toupper(*p));
  }
  return 0;
}