K and R solution Exercise 1-17,to print all input lines that are longer than 80 characters. K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Read more about C Programming Language .

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#include "stdio.h"
#define MAXINLINE 1000  /* maximum line sizes defined*/
#define LONGLINESIZE  80     /* longer line defined as 80 */
int get_lines(char line[], int maxline);
/*print lines longer than LONGLINESIZE     */
main()
{
 int len;           /*current line length */
 char line[MAXINLINE];/* current input line */
 while((len=get_lines(line,MAXINLINE))>0)
  if(len> LONGLINE)
   printf("%s", line);
 return 0;

}

/* getline: read a line into s, return length */
int get_lines(char s[], int line)
{
 int c, i, j;

 for(i = 0, j = 0; (c = getchar())!=EOF && c != 'n'; ++i)
 {
  if(i < line - 1)
  {
   s[j++] = c;
  }
 }
 if(c == 'n')
 {
  if(i <= line - 1)
  {
   s[j++] = c;
  }
  ++i;
 }
 s[j] = '