.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
-.\" * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
.\" *
.\" **************************************************************************
.\"
-.TH CURLOPT_SOCKOPTDATA 3 "16 Jun 2014" "libcurl 7.37.0" "curl_easy_setopt options"
+.TH CURLOPT_SOCKOPTDATA 3 "May 15, 2017" "libcurl 7.59.0" "curl_easy_setopt options"
+
.SH NAME
CURLOPT_SOCKOPTDATA \- custom pointer to pass to sockopt callback
.SH SYNOPSIS
.SH PROTOCOLS
All
.SH EXAMPLE
-TODO
+.nf
+static int sockopt_callback(void *clientp, curl_socket_t curlfd,
+ curlsocktype purpose)
+{
+ int val = *(int *)clientp;
+ setsockopt(curldfd, SOL_SOCKET, SO_RCVBUF, (const char *)&val, sizeof(val));
+ return CURL_SOCKOPT_OK;
+}
+
+curl = curl_easy_init();
+if(curl) {
+ int recvbuffersize = 256 * 1024;
+
+ curl_easy_setopt(curl, CURLOPT_URL, "http://example.com/");
+
+ /* call this function to set options for the socket */
+ curl_easy_setopt(curl, CURLOPT_SOCKOPTFUNCTION, sockopt_callback);
+ curl_easy_setopt(curl, CURLOPT_SOCKOPTDATA, &recvbuffersize);
+
+ res = curl_easy_perform(curl);
+
+ curl_easy_cleanup(curl);
+}
+.fi
.SH AVAILABILITY
Added in 7.16.0
.SH RETURN VALUE