linewhite(linenr_T lnum)
{
    char_u  *p;

    p = skipwhite(ml_get(lnum));
    return (*p == NUL);
}
linewhite(linenr_T lnum)
{
    char_u  *p;

    p = skipwhite(ml_get(lnum));
    return (*p == NUL);
}