public static extern void hb_chapter_set_title(ref hb_chapter_s chapter, IntPtr title);
public static extern void hb_chapter_set_title(ref hb_chapter_s chapter, IntPtr title);
public static extern void hb_chapter_set_title(ref hb_chapter_s chapter, IntPtr title);
public static extern void hb_chapter_set_title(ref hb_chapter_s chapter, IntPtr title);