CURLOPT_CONV_TO_NETWORK_FUNCTION man page on DragonFly

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CURLOPT_CONV_TO_NETWORK_FUNcurl_easy_setoptCURLOPT_CONV_TO_NETWORK_FUNCTION(3)

NAME
       CURLOPT_CONV_TO_NETWORK_FUNCTION	 -  convert  data to network from host
       encoding

SYNOPSIS
       #include <curl/curl.h>

       CURLcode conv_callback(char *ptr, size_t length);

       CURLcode curl_easy_setopt(CURL *handle, CURLOPT_CONV_TO_NETWORK_FUNCTION,
				 conv_callback);

DESCRIPTION
       Pass a pointer to your callback function, which should match the proto‐
       type shown above.

       Applies	to  non-ASCII  platforms. curl_version_info(3) will return the
       CURL_VERSION_CONV feature bit set if this option is provided.

       The data to be converted is in a buffer pointed to by the  ptr  parame‐
       ter.   The amount of data to convert is indicated by the length parame‐
       ter.  The converted data overlays the input data in the buffer  pointed
       to by the ptr parameter. CURLE_OK must be returned upon successful con‐
       version.	  A  CURLcode  return  value  defined  by  curl.h,   such   as
       CURLE_CONV_FAILED, should be returned if an error was encountered.

       CURLOPT_CONV_TO_NETWORK_FUNCTION	 converts  from	 host  encoding to the
       network encoding.  It is used when commands or ASCII data are sent over
       the network.

       If  you	set  a	callback  pointer to NULL, or don't set it at all, the
       built-in libcurl iconv functions will be used.  If HAVE_ICONV  was  not
       defined	when  libcurl was built, and no callback has been established,
       conversion will return the CURLE_CONV_REQD error code.

       If HAVE_ICONV  is  defined,  CURL_ICONV_CODESET_OF_HOST	must  also  be
       defined.	 For example:

	#define CURL_ICONV_CODESET_OF_HOST "IBM-1047"

       The  iconv  code	 in  libcurl will default the network and UTF8 codeset
       names as follows:

	#define CURL_ICONV_CODESET_OF_NETWORK "ISO8859-1"

	#define CURL_ICONV_CODESET_FOR_UTF8   "UTF-8"

       You will need to override these definitions if they  are	 different  on
       your system.

DEFAULT
       NULL

PROTOCOLS
       FTP, SMTP, IMAP, POP3

EXAMPLE
       TODO

AVAILABILITY
       Available  only	if  CURL_DOES_CONVERSIONS was defined when libcurl was
       built.

RETURN VALUE
       Returns CURLE_OK if the option is supported,  and  CURLE_UNKNOWN_OPTION
       if not.

SEE ALSO
       CURLOPT_CONV_FROM_NETWORK_FUNCTION(3),	    CURLOPT_CONV_TO_UTF8_FUNC‐
       TION(3),

libcurl 7.37.0			  19 Jun 20CURLOPT_CONV_TO_NETWORK_FUNCTION(3)
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