ions in the share interface are prefixed with curl_share. 
<p class="level0"><a name="OBJECTIVES"></a><h2 class="nroffsh">OBJECTIVES</h2>
<p class="level0">The share interface was added to enable sharing of data between curl "handles". <a name="ONE"></a><h2 class="nroffsh">ONE SET OF DATA - MANY TRANSFERS</h2>
<p class="level0">You can have multiple easy handles share data between them. Have them update and use the <span Class="bold">same</span> cookie database, DNS cache, TLS session cache! This way, each 