curl_easy_send man page on SmartOS

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curl_easy_send(3)		libcurl Manual		     curl_easy_send(3)

       curl_easy_send - sends raw data over an "easy" connection

       #include <curl/easy.h>

       CURLcode	 curl_easy_send(  CURL	*curl,	const  void  *buffer,	size_t
       buflen, size_t *n);

       This function sends arbitrary data over the established connection. You
       may  use	 it together with curl_easy_recv(3) to implement custom proto‐
       cols using libcurl. This functionality can be  particularly  useful  if
       you  use proxies and/or SSL encryption: libcurl will take care of proxy
       negotiation and connection set-up.

       buffer is a pointer to the data of length buflen that  you  want	 sent.
       The variable n points to will receive the number of sent bytes.

       To  establish  the  connection,	set CURLOPT_CONNECT_ONLY option before
       calling curl_easy_perform(3). Note that curl_easy_send(3) will not work
       on connections that were created without this option.

       You   must   ensure   that   the	 socket	 is  writable  before  calling
       curl_easy_send(3), otherwise the call will  return  CURLE_AGAIN	-  the
       socket  is  used	 in  non-blocking  mode internally. Use curl_easy_get‐
       info(3) with CURLINFO_LASTSOCKET to obtain the socket; use your operat‐
       ing system facilities like select(2) to check if it can be written to.

       Added in 7.18.2.

       On  success,  returns  CURLE_OK and stores the number of bytes actually
       sent into *n. Note that this may very well be less than the amount  you
       wanted to send.

       On failure, returns the appropriate error code.

       If  there's no socket available to use from the previous transfer, this
       function returns CURLE_UNSUPPORTED_PROTOCOL.

       See sendrecv.c in docs/examples directory for usage example.

       curl_easy_setopt(3),    curl_easy_perform(3),	 curl_easy_getinfo(3),

libcurl 7.18.2			 29 April 2008		     curl_easy_send(3)

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