<p><b>@leandrolanzieri</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/11189#discussion_r270748112">sys/include/clif.h</a>:</p>
<pre style='color:#555'>> + */
+ssize_t clif_add_link_separator(char *buf, size_t maxlen);
+
+/**
+ * @brief   Looks for a link in a given string @p input. If multiple link are
+ *          present in the string it will return the first one.
+ *
+ * @param[in] input         string where to look for a link
+ * @param[in] input_len     length of @p input
+ * @param[out] output       if a link is found this will point to the beginning
+ *                          of it
+ *
+ * @return length of the link if found
+ * @return CLIF_NOT_FOUND if no valid link is found
+ */
+ssize_t clif_get_link(const char *input, size_t input_len,
</pre>
<p>It is being used in <code>clif_decode_links</code> to find the link separator and know the size of each one. When <code>clif_get_param</code> if called the string should be limited to one link, that's why this function exists.</p>

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