K+R Exercise1_18

#include <stdio.h>

#define MAXLINE 1000

int getline(char line[], int maxline);

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

    while((len = getline(line, MAXLINE)) > 0)
        if(len > 1)                          // len(1) is a '\n'
            printf("%d, %s\n",len, line);    // len left in to prove it was shortened.
    return(0);
}

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

    for(i=0; i<lim-2 && (c=getchar())!=EOF && c!='\n'; ++i)
        s[i]=c;
    if(c=='\n') {
        while(s[i-1]==' ' || s[i-1]=='\t')      // Note chars in '' not ""
            --i;
        s[i]=c;
        ++i;
    }
    s[i]='\0';
    return i;
}