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

gnutls_record_get_direction(3)				gnutls			       gnutls_record_get_direction(3)

NAME
gnutls_record_get_direction - API function
SYNOPSIS
#include <gnutls/gnutls.h> int gnutls_record_get_direction(gnutls_session_t session);
ARGUMENTS
gnutls_session_t session is a gnutls_session_t structure.
DESCRIPTION
This function provides information about the internals of the record protocol and is only useful if a prior gnutls function call (e.g. gnutls_handshake()) was interrupted for some reason, that is, if a function returned GNUTLS_E_INTERRUPTED or GNUTLS_E_AGAIN. In such a case, you might want to call select() or poll() before calling the interrupted gnutls function again. To tell you whether a file descriptor should be selected for either reading or writing, gnutls_record_get_direction() returns 0 if the interrupted function was trying to read data, and 1 if it was trying to write data.
RETURNS
0 if trying to read data, 1 if trying to write data.
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 (C) 2012 Free Software Foundation, Inc.. Copying and distribution of this file, with or without modification, are permitted in any medium without roy- alty 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_get_direction(3)


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