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Update apiref.rst

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fix the documentation about json_dumps. refs #471
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Allen 2019-09-18 16:18:51 +08:00 committed by GitHub
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@ -1091,7 +1091,9 @@ These functions output UTF-8:
Returns the JSON representation of *json* as a string, or *NULL* on
error. *flags* is described above. The return value must be freed
by the caller using :func:`free()`.
by the caller using :func:`free()`. Note that if you have called
:func:`json_set_alloc_funcs()` to override :func:`free()`, you should
call your custom free function instead to free the return value.
.. function:: size_t json_dumpb(const json_t *json, char *buffer, size_t size, size_t flags)