int format_kairosdb_initialize(char *buffer, size_t *ret_buffer_fill,
size_t *ret_buffer_free);
int format_kairosdb_value_list(char *buffer, size_t *ret_buffer_fill,
size_t *ret_buffer_free, const data_set_t *ds,
const value_list_t *vl, int store_rates,
char const *const *http_attrs,
int format_kairosdb_initialize(char *buffer, size_t *ret_buffer_fill,
size_t *ret_buffer_free);
int format_kairosdb_value_list(char *buffer, size_t *ret_buffer_fill,
size_t *ret_buffer_free, const data_set_t *ds,
const value_list_t *vl, int store_rates,
char const *const *http_attrs,