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| <h1 class='fqn'><span class='in-band'>Function <a href='index.html'>paho_mqtt3as_sys</a>::<wbr><a class="fn" href=''>MQTTAsync_getPendingTokens</a></span><span class='out-of-band'><span id='render-detail'> |
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| <pre class='rust fn'>pub unsafe extern "C" fn MQTTAsync_getPendingTokens(<br> handle: <a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync.html" title="type paho_mqtt3as_sys::MQTTAsync">MQTTAsync</a>, <br> tokens: <a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="primitive" href="https://doc.rust-lang.org/nightly/std/primitive.pointer.html">*mut </a><a class="type" href="../paho_mqtt3as_sys/type.MQTTAsync_token.html" title="type paho_mqtt3as_sys::MQTTAsync_token">MQTTAsync_token</a><br>) -> <a class="type" href="https://doc.rust-lang.org/nightly/std/os/raw/type.c_int.html" title="type std::os::raw::c_int">c_int</a></pre><div class='docblock'><p>This function sets a pointer to an array of tokens for |
| messages that are currently in-flight (pending completion).</p> |
| |
| <p><b>Important note:</b> The memory used to hold the array of tokens is |
| malloc()'d in this function. The client application is responsible for |
| freeing this memory when it is no longer required. |
| @param handle A valid client handle from a successful call to |
| MQTTAsync_create(). |
| @param tokens The address of a pointer to an ::MQTTAsync_token. |
| When the function returns successfully, the pointer is set to point to an |
| array of tokens representing messages pending completion. The last member of |
| the array is set to -1 to indicate there are no more tokens. If no tokens |
| are pending, the pointer is set to NULL. |
| @return ::MQTTASYNC_SUCCESS if the function returns successfully. |
| An error code is returned if there was a problem obtaining the list of |
| pending tokens.</p> |
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