static int nsfont_has_char (Lisp_Object entity, int c);
static unsigned int nsfont_encode_char (struct font *font, int c);
static int nsfont_text_extents (struct font *font, unsigned int *code,
static int nsfont_has_char (Lisp_Object entity, int c);
static unsigned int nsfont_encode_char (struct font *font, int c);
static int nsfont_text_extents (struct font *font, unsigned int *code,