Check if file exists if not send an alert

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gnutls_alert_send

gnutls_alert_send(3)						      gnutls						      gnutls_alert_send(3)

NAME

       gnutls_alert_send - send an alert message to the peer

SYNOPSIS

       #include <gnutls/gnutls.h>

       int gnutls_alert_send(gnutls_session_t session, gnutls_alert_level_t level, gnutls_alert_description_t desc);

ARGUMENTS

       gnutls_session_t session
		   is a gnutls_session_t structure.

       gnutls_alert_level_t level
		   is the level of the alert

       gnutls_alert_description_t desc
		   is the alert description

DESCRIPTION

       This function will send an alert to the peer in order to inform him of something important (eg. his Certificate could not be verified).	If
       the alert level is Fatal then the peer is expected to close the connection, otherwise he may ignore the alert and continue.

       The error code of the underlying record send function will be returned, so you may also receive GNUTLS_E_INTERRUPTED or	GNUTLS_E_AGAIN	as
       well.

RETURNS

       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise an error code is returned.

REPORTING BUGS

       Report	bugs   to   <bug-gnutls@gnu.org>.   GnuTLS  home  page:  http://www.gnu.org/software/gnutls/  General  help  using  GNU  software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright (C) 2008 Free Software Foundation.
       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.

gnutls								       2.8.6						      gnutls_alert_send(3)

Shell Programming and Scripting