Function CTFontGetGlyphsForCharacters 

pub unsafe extern "C-unwind" fn CTFontGetGlyphsForCharacters(
    font: &CTFont,
    characters: NonNull<u16>,
    glyphs: NonNull<CGGlyph>,
    count: CFIndex,
) -> bool

👎Deprecated: renamed to CTFont::glyphs_for_characters

Available on crate features CTFont and objc2-core-graphics only.