int decode_type_spec(const char type_buf[MAX_TYPE_SPEC_LEN],
struct datum_info_t *type_info);
-int64_t sample_as_int64 (unsigned char* sample, struct datum_info_t* type);
-
-float transform_sample(int sensor_type, int channel, float val);
-
int64_t get_timestamp (void);
#endif