gnutls_record_send_range man page on Slackware

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gnutls_record_send_range(3)	    gnutls	   gnutls_record_send_range(3)

NAME
       gnutls_record_send_range - API function

SYNOPSIS
       #include <gnutls/gnutls.h>

       ssize_t gnutls_record_send_range(gnutls_session_t session, const void *
       data, size_t data_size, const gnutls_range_st * range);

ARGUMENTS
       gnutls_session_t session
		   is a gnutls_session_t structure.

       const void * data
		   contains the data to send.

       size_t data_size
		   is the length of the data.

       const gnutls_range_st * range
		   is the range of lengths in which the real data length  must
		   be hidden.

DESCRIPTION
       This   function	 operates   like   gnutls_record_send()	  but,	 while
       gnutls_record_send() adds minimal padding  to  each  TLS	 record,  this
       function	 uses  the  TLS extra-padding feature to conceal the real data
       size within the range of lengths provided.  Some TLS  sessions  do  not
       support extra padding (e.g. stream ciphers in standard TLS or SSL3 ses‐
       sions). To know whether the current session supports extra padding, and
       hence  length  hiding,  use  the	 gnutls_record_can_use_length_hiding()
       function.

NOTE
       This function currently is only limited to blocking sockets.

RETURNS
       The number of bytes sent (that is data_size  in	a  successful  invoca‐
       tion), or a negative error code.

REPORTING BUGS
       Report bugs to <bug-gnutls@gnu.org>.
       General guidelines for reporting bugs: http://www.gnu.org/gethelp/
       GnuTLS home page: http://www.gnu.org/software/gnutls/

COPYRIGHT
       Copyright © 2012 Free Software Foundation, Inc..
       Copying	and  distribution  of this file, with or without modification,
       are permitted in any medium  without  royalty  provided	the  copyright
       notice and this notice are preserved.

SEE ALSO
       The  full  documentation	 for gnutls is maintained as a Texinfo manual.
       If the info and gnutls programs are properly installed  at  your	 site,
       the command

	      info gnutls

       should  give  you access to the complete manual.	 As an alternative you
       may obtain the manual from:

	      http://www.gnu.org/software/gnutls/manual/

gnutls				    3.1.15	   gnutls_record_send_range(3)
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