win_chartabsize(win_T *wp, char_u *p, colnr_T col)
{
    RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col)
}
win_chartabsize(win_T *wp, char_u *p, colnr_T col)
{
    RET_WIN_BUF_CHARTABSIZE(wp, wp->w_buffer, p, col)
}