K and R solution Exercise 1-17,to print all input lines that are longer than 80 characters. K and R C Programs Exercises provides the solution to all the exercises in the C Programming Language, second addition, by Brian W.Keringhan and Dennis M.Ritchie(Prentice Hall,1988). You can learn and solve K&R C Programs Exercise. Read more about C Programming Language .
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#include "stdio.h"
#define MAXINLINE 1000 /* maximum line sizes defined*/
#define LONGLINESIZE 80 /* longer line defined as 80 */
int get_lines(char line[], int maxline);
/*print lines longer than LONGLINESIZE */
main()
{
int len; /*current line length */
char line[MAXINLINE];/* current input line */
while((len=get_lines(line,MAXINLINE))>0)
if(len> LONGLINE)
printf("%s", line);
return 0;
}
/* getline: read a line into s, return length */
int get_lines(char s[], int line)
{
int c, i, j;
for(i = 0, j = 0; (c = getchar())!=EOF && c != 'n'; ++i)
{
if(i < line - 1)
{
s[j++] = c;
}
}
if(c == 'n')
{
if(i <= line - 1)
{
s[j++] = c;
}
++i;
}
s[j] = ' ';
return i;
}
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