1 /* 1-17. Write a program to print all input lines that are longer than 80
2  * characters
3  */
4 
5 /* MAXLINE has been reduced for easier testing */
6 #include <stdio.h>
7 #define MAXLINE 1000
8 
9 int getlin(char line[], int maxline);
10 void copy(char to[], char from[]);
11 
12 main()
13 {
14 	int len;	/* current line length */
15 	char line[MAXLINE];	/* current input line */
16 	
17 	while ((len = getlin(line, MAXLINE)) > 0) {
18 		if (len > 80)
19 			printf("%s", line);
20 	}
21 	return 0;
22 }
23 
24 int getlin(char s[], int lim)
25 {
26 	int c, i;
27 
28 	for (i=0; i<lim-1 && (c=getchar())!=EOF && c!='\n'; ++i)
29 		s[i] = c;
30 	if (c == '\n') {
31 		s[i] = c;
32 		++i;
33 	}
34 	s[i] = '\0';
35 	return i;
36 }
37 
38 void copy(char to[], char from[])
39 {
40 	int i;
41 	i = 0;
42 	while ((to[i] = from[i]) != '\0')
43 		++i;
44 }