Type Definition harfbuzz_sys::hb_font_get_glyph_extents_func_t

type hb_font_get_glyph_extents_func_t = Option<extern fn(_: *mut hb_font_t, _: *mut c_void, _: hb_codepoint_t, _: *mut hb_glyph_extents_t, _: *mut c_void) -> hb_bool_t>;