Function freetype_sys::FT_Get_Kerning

pub unsafe extern "C" fn FT_Get_Kerning(
    face: FT_Face,
    left_glyph: FT_UInt,
    right_glyph: FT_UInt,
    kern_mode: FT_UInt,
    akerning: *mut FT_Vector
) -> FT_Error