#include <stdio.h>
#define MAXLINE 1000 /* maximum input line length */

int getline1(char line[], int maxline); void copy(char to[], char from[]); /* print the longest input line */ int 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 = getline1(line, MAXLINE)) > 0) { if (len > max) { max = len; copy(longest, line); } } if (max > 0) { /* there was a line */ printf("%s", longest); } return 0; } /* getline1: read a line into s, return length */ int getline1(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; i = 0; while ((to[i] = from[i]) != '\0') { ++i; } }