hb_buffer_serialize_glyphs

function hb_buffer_serialize_glyphs(

  buffer: Phb_buffer_t;

  start: guint;

  end_: guint;

  buf: Pgchar;

  buf_size: Pguint;

  buf_consumed: Pguint;

  font: Phb_font_t;

  format: Thb_buffer_serialize_format_t;

  flags: Thb_buffer_serialize_flags_t

):guint;