#include <stdio.h>

#define MAX_LENGTH 1000

int get_line(char line[]);

int
main()
{
  char line[MAX_LENGTH];
  int line_length;
  int tab_length;

  tab_length = 4;
  while ((line_length = get_line(line)) > 0)
  {
    /* output hier */
  }
  return 0;
}

int
get_line(char line[])
{
  int i;
  char c;

  for (i = 0; i < MAX_LENGTH - 1 &&
              (c = getchar()) != EOF &&
              c != '\n'; i++)
  {
    line[i] = c;
  }

  if (c == '\n')
  {
    line[i] = c;
    i++;
  }

  line[i] = '\0';
  return i;
}