Ex_1.17_lengt80.c

/**
 *
 * Exercise 1.17 -  Program to print the length of all input lines greater
 * than 80 characters.
 *
 **/

#include<stdio.h>

#define MAXLINE 1000
#define LIMIT 80


/***
 *
 * We call it ngetline, for new getline so that it does not conflict with
 * system function getline
 *
 ***/

int ngetline(char line[], int lim);


int main(void)
{
	int len;
	char line[MAXLINE];

	while((len = ngetline(line,MAXLINE)) > 0)
	{
		if( len > LIMIT )
			printf("%s",line);
	}

	return 0;
}


int ngetline(char s[], int lim)
{
	int i, c;
	
	for(i = 0; i < lim-1 && ( c = getchar() )!= EOF && c!='\n'; ++i)
		s[i] = c;

	if(c == '\n')
	{
		s[i] = c;
		++i;
	}
		s[i] = '\0';

	return i;
}