<title>CURLOPT_SOCKOPTFUNCTION man page</title>
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<p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
<p class="level0">CURLOPT_SOCKOPTFUNCTION - set callback for setting socket options <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
-<p class="level0"><pre class="level0">
-#include <curl/curl.h>
-
-typedef enum {
- CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
- CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
- CURLSOCKTYPE_LAST /* never use */
-} curlsocktype;
-
-#define CURL_SOCKOPT_OK 0
-#define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
- CURLE_ABORTED_BY_CALLBACK */
-#define CURL_SOCKOPT_ALREADY_CONNECTED 2
-
-int sockopt_callback(void *clientp,
- curl_socket_t curlfd,
- curlsocktype purpose);
-
-CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
-</pre>
+<p class="level0"><pre>
+<p class="level0">#include <curl/curl.h>
+ <p class="level0">typedef enum {
+ CURLSOCKTYPE_IPCXN, /* socket created for a specific IP connection */
+ CURLSOCKTYPE_ACCEPT, /* socket created by accept() call */
+ CURLSOCKTYPE_LAST /* never use */
+ } curlsocktype;
+ <p class="level0">#define CURL_SOCKOPT_OK 0
+ #define CURL_SOCKOPT_ERROR 1 /* causes libcurl to abort and return
+ CURLE_ABORTED_BY_CALLBACK */
+ #define CURL_SOCKOPT_ALREADY_CONNECTED 2
+ <p class="level0">int sockopt_callback(void *clientp,
+ curl_socket_t curlfd,
+ curlsocktype purpose);
+ <p class="level0">CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
+ </pre>
<a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
<p class="level0">Pass a pointer to your callback function, which should match the prototype shown above.
<p class="level0">When set, this callback function gets called by libcurl when the socket has been created, but before the connect call to allow applications to change specific socket options. The callback's <span Class="emphasis">purpose</span> argument identifies the exact purpose for this particular socket: