backline
backline(f, percint(curwp->w_bufp->b_lines, n));
return (backline(f | FFRAND, -n));
return (backline(f, 1));/* window is tiny. */
int backline(int, int);
backline(f | FFRAND, n);
{backline, "previous-line", 1},
backline, /* ^P */