#ifndef TEMPSENSE_H
#define TEMPSENSE_H
#include <stddef.h>

typedef struct { char sensor[32]; double celsius; } Reading;

double to_fahrenheit(double celsius);
int parse_reading(const char *json, Reading *out);      /* 0 on success */
int format_reading(const Reading *in, char *buf, size_t len);
double clamp_to_absolute_zero(double celsius);

#endif