};
typedef struct options_struct options_t;
int options_parse_hex_string(const char* hex, buffer_t* buffer);
int options_parse(options_t* opt, int argc, char* argv[]);
};
typedef struct options_struct options_t;
int options_parse_hex_string(const char* hex, buffer_t* buffer);
int options_parse(options_t* opt, int argc, char* argv[]);