/usr/src/openafs-1.6.1/include/afs/keys.h is in openafs-modules-dkms 1.6.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | /*
 * Copyright 2000, International Business Machines Corporation and others.
 * All Rights Reserved.
 *
 * This software has been released under the terms of the IBM Public
 * License.  For details, see the LICENSE file in the top-level source
 * directory or online at http://www.openafs.org/dl/license10.html
 */
#ifndef __KEYS_AFS_INCL_
#define	__KEYS_AFS_INCL_    1
/* include file for getting keys from the server's key file in /usr/afs/etc/ServerKeys.
    The format of server keys is a long count, followed by that many
    structures containing a kvno long and a key.  The key is treated
    as an array of 8 chars, but the longs should be in network byte order.
*/
#define	AFSCONF_MAXKEYS	    8
struct afsconf_key {
    afs_int32 kvno;
    char key[8];
};
struct afsconf_keys {
    afs_int32 nkeys;
    struct afsconf_key key[AFSCONF_MAXKEYS];
};
#define	AFSCONF_KEYINUSE	512	/* Random error code - only "locally" unique */
#endif /* __KEYS_AFS_INCL_ */
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