n-c/json-c/issues/231">Fix size_t size check for first-time builds</a> <a href="https://api.github.com/repos/json-c/json-c/issues/232">tests/tests1: fix printf format for size_t arguments</a> <a href="https://api.github.com/repos/json-c/json-c/issues/233">Include stddef.h in json_object.h</a> <a href="https://api.github.com/repos/json-c/json-c/issues/234">Add public API to use userdata independently of custom serializer</a> <a href="https://api.github.com/repos/json-c/json-c/issues/235">Undefined symbols Er