forwline
forwline(f, percint(curwp->w_bufp->b_lines, n) - 1);
return (forwline(f | FFRAND, -n));
int forwline(int, int);
forwline(f | FFRAND, n);
{forwline, "next-line", 1},
forwline, /* ^N */
(void)forwline(FFRAND, 1);
(void)forwline(FFRAND, 1);