/* property_get: returns the length of the value which will never be ** greater than PROPERTY_VALUE_MAX - 1 and will always be zero terminated. ** (the length does not include the terminating zero). ** ** If the property read fails or returns an empty value, the default ** value is used (if nonnull). */ int property_get(const char *key, char *value, const char *default_value);
/* property_set: returns 0 on success, < 0 on failure */ int property_set(const char *key, const char *value);
