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CentOS 7.0 - man page for gnutls_record_recv (centos section 3)

gnutls_record_recv(3)			      gnutls			    gnutls_record_recv(3)

       gnutls_record_recv - API function

       #include <gnutls/gnutls.h>

       ssize_t gnutls_record_recv(gnutls_session_t session, void * data, size_t data_size);

       gnutls_session_t session
		   is a gnutls_session_t structure.

       void * data the buffer that the data will be read into

       size_t data_size
		   the number of requested bytes

       This  function  has  the  similar  semantics  with recv().  The only difference is that it
       accepts a GnuTLS session, and uses different error codes.  In  the  special  case  that	a
       server  requests a renegotiation, the client may receive an error code of GNUTLS_E_REHAND-
       SHAKE.  This message may be simply ignored, replied with an  alert  GNUTLS_A_NO_RENEGOTIA-
       TION,  or  replied  with  a  new  handshake,  depending on the client's will.  If EINTR is
       returned by the internal push function (the default is recv())  then  GNUTLS_E_INTERRUPTED
       will  be  returned.   If GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN is returned, you must call
       this function again to get the data.  See also  gnutls_record_get_direction().	A  server
       may  also  receive  GNUTLS_E_REHANDSHAKE  when a client has initiated a handshake. In that
       case the server can only initiate a handshake or terminate the connection.

       The number of bytes received and zero on EOF (for stream connections).  A  negative  error
       code is returned in case of an error.  The number of bytes received might be less than the
       requested  data_size .

       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 (C) 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.

       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  man-
       ual from:


gnutls					      3.1.15			    gnutls_record_recv(3)

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