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[glibc.git] / inet / aliases.h
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1 /* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Library General Public License as
6 published by the Free Software Foundation; either version 2 of the
7 License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with the GNU C Library; see the file COPYING.LIB. If not,
16 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 Boston, MA 02111-1307, USA. */
19 #ifndef _ALIASES_H
20 #define _ALIASES_H 1
22 #include <features.h>
24 #include <sys/types.h>
27 __BEGIN_DECLS
29 /* Structure to represent one entry of the alias data base. */
30 struct aliasent
32 char *alias_name;
33 size_t alias_members_len;
34 char **alias_members;
35 int alias_local;
39 /* Open alias data base files. */
40 extern void setaliasent __P ((void));
42 /* Close alias data base files. */
43 extern void endaliasent __P ((void));
45 /* Get the next entry from the alias data base. */
46 extern struct aliasent *getaliasent __P ((void));
48 /* Get the next entry from the alias data base and put it in RESULT_BUF. */
49 extern int getaliasent_r __P ((struct aliasent *__result_buf, char *__buffer,
50 size_t __buflen, struct aliasent **__result));
52 /* Get alias entry corresponding to NAME. */
53 extern struct aliasent *getaliasbyname __P ((__const char *__name));
55 /* Get alias entry corresponding to NAME and put it in RESULT_BUF. */
56 extern int getaliasbyname_r __P ((__const char *__name,
57 struct aliasent *__result_buf,
58 char *__buffer, size_t __buflen,
59 struct aliasent **__result));
61 __END_DECLS
63 #endif /* aliases.h */