#include <glib.h>
#include <json-glib/json-glib.h>

int main(int argc, char **argv)
{
  GError *error = NULL;
  JsonParser *jparser;
  JsonGenerator *jgen;
  const gchar *entry = "{\"tel\": \"0123446789\", \"name\": \"John\", \"weight\": 90}";
  gchar *result;
  gsize len;

  (void)argc;
  (void)argv;

  g_type_init();

  jparser = json_parser_new();

  if(FALSE == json_parser_load_from_data(jparser, entry, -1, NULL)) {
    g_error(error->message);
    g_clear_error(&error);
  }
  jgen = json_generator_new();
  json_generator_set_root(jgen, json_parser_get_root(jparser));
  result = json_generator_to_data(jgen, &len);
  g_message(result);
  return 0;
}