1nbd_get_private_data(3)             LIBNBD             nbd_get_private_data(3)
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NAME

6       nbd_get_private_data - get the per-handle private data
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SYNOPSIS

9        #include <libnbd.h>
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11        uintptr_t nbd_get_private_data (struct nbd_handle *h);
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DESCRIPTION

14       Return the value of the private data field set previously by a call to
15       nbd_set_private_data(3) (or 0 if it was not previously set).
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RETURN VALUE

18       This call returns a "uintptr_t".
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ERRORS

21       This function does not fail.
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23       The following parameters must not be NULL: "h".  For more information
24       see "Non-NULL parameters" in libnbd(3).
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VERSION

27       This function first appeared in libnbd 1.8.
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29       If you need to test if this function is available at compile time check
30       if the following macro is defined:
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32        #define LIBNBD_HAVE_NBD_GET_PRIVATE_DATA 1
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SEE ALSO

35       nbd_create(3), nbd_set_private_data(3), libnbd(3).
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AUTHORS

38       Eric Blake
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40       Richard W.M. Jones
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43       Copyright (C) 2019-2021 Red Hat Inc.
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LICENSE

46       This library is free software; you can redistribute it and/or modify it
47       under the terms of the GNU Lesser General Public License as published
48       by the Free Software Foundation; either version 2 of the License, or
49       (at your option) any later version.
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51       This library is distributed in the hope that it will be useful, but
52       WITHOUT ANY WARRANTY; without even the implied warranty of
53       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
54       Lesser General Public License for more details.
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56       You should have received a copy of the GNU Lesser General Public
57       License along with this library; if not, write to the Free Software
58       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
59       02110-1301 USA
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63libnbd-1.14.2                     2023-01-03           nbd_get_private_data(3)
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