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=head1 NAME
nbd_get_tls_hostname - get the effective TLS hostname
=head1 SYNOPSIS
#include <libnbd.h>
char * nbd_get_tls_hostname (
struct nbd_handle *h
);
=head1 DESCRIPTION
Get the TLS server hostname in effect.
If not set, this returns the empty string (not an error).
=head1 RETURN VALUE
This call returns a string. The caller must free the
returned string to avoid a memory leak.
=head1 ERRORS
On error C<NULL> is returned.
Refer to L<libnbd(3)/ERROR HANDLING>
for how to get further details of the error.
The following parameters must not be NULL: C<h>.
For more information see L<libnbd(3)/Non-NULL parameters>.
=head1 VERSION
This function first appeared in libnbd 1.22.
If you need to test if this function is available at compile time
check if the following macro is defined:
#define LIBNBD_HAVE_NBD_GET_TLS_HOSTNAME 1
=head1 SEE ALSO
L<nbd_create(3)>,
L<nbd_set_tls_hostname(3)>,
L<libnbd(3)>.
=head1 AUTHORS
Eric Blake
Richard W.M. Jones
=head1 COPYRIGHT
Copyright Red Hat
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