#include <stdio.h>
#include <string.h>

#define   MAXSTRING   100

int main(void)
{
   char   c = 'a', *p, s[MAXSTRING];

   p = &c;
   printf("%c%c%c  ", *p, *p + 1, *p + 2);
   strcpy(s, "ABC");
   printf("%s  %c%c%s\n", s, *s + 6, *s + 7, s + 1);
   strcpy(s, "she sells sea shells by the seashore");
   p = s + 14;
   for ( ; *p != '\0'; ++p) {
      if (*p == 'e')
         *p = 'E';
      if (*p == ' ')
         *p = '\n';
   }
   printf("%s\n", s);
   return 0;
}