12 uint8_t relfile_open(struct relfile *rf, char* name);
13 uint8_t relfile_is_split_record(struct relfile *rf, uint16_t recnum);
14 uint8_t relfile_pos(struct relfile *rf, uint16_t recnum, uint8_t offset);
15 uint8_t relfile_read(struct relfile *rf, uint8_t *buf);
16 uint8_t relfile_write(struct relfile *rf, uint8_t *buf);
17 uint8_t relfile_clear(struct relfile *rf);
18 void relfile_close(struct relfile *rf);