/*  Example: Longest line
	Source: K&R2, p 29 (see also better version on p.61)
*/

#include <stdio.h>
#define MAXLINE 1000 /* maximun input line size */

int getline(char line[], int maxline);
void copy(char to[], char from[]);

/* print longest input line */

main() 
{
	int len; /* current line length */
	int max; /* maximum length seen so far */
	char line[MAXLINE]; /* current input line */
	char longest [MAXLINE]; /*longest line saved here */
	
	max = 0;
	while ((len = getline(line, MAXLINE)) > 0)
		if (len > max) {
			max = len;
			copy(longest, line);
		}
	if (max > 0) /* there was a line */
		printf("%s", longest);
	return 0;
}


/* getline: read a line into s,  return length */ 

int getline(char s[], int lim) 
{
	int c, i;

	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;
}

/* copy: copy 'from' into 'to'; assume to is big enough */
void copy(char to[], char from[])
{
	int i = 0;
	
	while((to[i] = from [i]) != '\0')
		++i;
}