hould return true.</p>

<p>OSSL_FUNC_mac_get_ctx_params() gets details of currently set parameter values associated with the given provider side mac context <i>mctx</i> and stores them in <i>params</i>. Passing NULL for <i>params</i> should return true.</p>

<p>OSSL_FUNC_mac_gettable_params(), OSSL_FUNC_mac_gettable_ctx_params(), and OSSL_FUNC_mac_settable_ctx_params() all return constant <a href="../man3/OSSL_PARAM.html">OSSL_PARAM(3)</a> arrays as descriptors of the parameters that OSSL_FUNC_mac_get_param