static size_t encode(const char *from_enc, const char *to_enc,
char *input, int input_length, char *output, int output_length);
static int find_font_by_char(FT_ULong char_code, char *path_new, const FT_Face oldface);
static size_t encode(const char *from_enc, const char *to_enc,
char *input, int input_length, char *output, int output_length);
static int find_font_by_char(FT_ULong char_code, char *path_new, const FT_Face oldface);