test.c

int main() {

    while((len = get_line(line, MAXLINE)) > 0) {
        printf("%s", line);
    }
}

int get_line(char line[], int limit) {

    int current, index;

    for (index = 0; index < limit -1 && (current = getchar()) != EOF && current != '\n'; ++index)
        line[index] = current;

    if (current == '\n') {
        line[index] = current;
        ++index;
    }
    line[index] = '\0';
    return index;
}