K and R C, Solution to Exercise 5-6:
K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language (2nd Edition). You can learn and solve K&R C Programs Exercise.
C Program to Rewrite appropriate programs from earlier chapters and exercises with pointers instead of array indexing. Good possibilities include getline (Chapters 1 and 4), atoi , itoa , and their variants (Chapters 2, 3, and 4), reverse (Chapter 3), and strindex and getop (Chapter 4). Read more about C Programming Language .

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

  /* getline: get line into s, return length */
  int getline(char *s, int lim)
{
 char *p;
 int c;

 p = s;
 while (--lim > 0 && (c = getchar()) != EOF && c != 'n')
  *p++ = c;
 if (c == 'n')
  *p++ = c;
 *p = '