ddress type can be controlled: </p><dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">hostname</td><td>the hostname that is to be queried </td></tr>
    <tr><td class="paramname">addr</td><td>pointer to a ip_addr_t where to store the address if it is already cached in the dns_table (only valid if ERR_OK is returned!) </td></tr>
    <tr><td class="paramname">found</td><td>a callback function to be called on success, failure or timeout (only if ERR_INPROGRESS is 