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

#define MAX 10 // max char per line

// many edge case problems with this code.
// can you work them out

int main(void)
{

  int i;
  char s[MAX];

  for (i = 0; (s[i] = getchar()) != '\n' && i < MAX-1; ++i) 
    printf("s[%d] = %c\n", i, s[i]);  // do nothing

  printf("after loop s[%d] = %d\n", i, s[i]); 

  s[--i] = '\0';

  printf("after s[--i] s[%d] = %d\n", i, s[i]); 

  printf("the string is %s\n", s); 
  
  return 0;

}