/* hexdump.c */
void hexdump(char *prefix, void *_d, size_t os, size_t oe);
/* twa.c */
ssize_t twa_get_parameter(int fd, int table_id, int parameter_id, void *data, size_t data_len);
int twa_set_parameter(int fd, int table_id, int parameter_id, void *data, size_t data_len);
/* twa_t.c */
void tw_dt_to_tm(TW_DateTime *tw_dt, struct tm *tm);
void tm_to_tw_dt(struct tm *tm, TW_DateTime *tw_dt);
int main(int argc, char *argv[]);
/* util.c */
void *xmalloc(size_t s);
/* version.c */