Function ncplane_valign 

pub fn ncplane_valign(
    plane: &NcPlane,
    align: impl Into<NcAlign_u32>,
    numrows: u32,
) -> NcResult_i32

Returns the row at which numrows rows ought start in order to be aligned according to align within this NcPlane.

Returns -NCRESULT_MAX if NCALIGN_UNALIGNED.

Method: NcPlane.valign().