public static extern hb_face_t hb_face_create_for_tables(GetTableDelegateProxyDelegate reference_table_func, IntPtr user_data, hb_destroy_func_t destroy);
public static extern void hb_unicode_funcs_set_mirroring_func(hb_unicode_funcs_t ufuncs, hb_unicode_mirroring_func_t func, IntPtr user_data, hb_destroy_func_t destroy);
public static extern void hb_unicode_funcs_set_decompose_func(hb_unicode_funcs_t ufuncs, hb_unicode_decompose_func_t func, IntPtr user_data, hb_destroy_func_t destroy);
public static extern void hb_unicode_funcs_set_combining_class_func(hb_unicode_funcs_t ufuncs, hb_unicode_combining_class_func_t func, IntPtr user_data, hb_destroy_func_t destroy);
public static extern void hb_unicode_funcs_set_general_category_func(hb_unicode_funcs_t ufuncs, hb_unicode_general_category_func_t func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_from_name_func(hb_font_funcs_t ffuncs, GlyphFromNameProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_set_funcs(hb_font_t font, hb_font_funcs_t klass, IntPtr font_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_extents_func(hb_font_funcs_t ffuncs, GlyphExtentsProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_contour_point_func(hb_font_funcs_t ffuncs, GlyphContourPointProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_h_kerning_func(hb_font_funcs_t ffuncs, GlyphKerningProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_v_origin_func(hb_font_funcs_t ffuncs, GlyphOriginProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_glyph_v_advance_func(hb_font_funcs_t ffuncs, GlyphAdvanceProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_variation_glyph_func(hb_font_funcs_t ffuncs, VariationGlyphProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);
public extern static void hb_font_funcs_set_nominal_glyphs_func(hb_font_funcs_t ffuncs, NominalGlyphsProxyDelegate func, IntPtr user_data, hb_destroy_func_t destroy);