1 /* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 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 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, write to the Free 16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 17 02111-1307 USA. */ 18 19 #ifndef _ALIASES_H 20 #define _ALIASES_H 1 21 22 #include <features.h> 23 24 #include <sys/types.h> 25 26 27 __BEGIN_DECLS 28 29 /* Structure to represent one entry of the alias data base. */ 30 struct aliasent 31 { 32 char *alias_name; 33 size_t alias_members_len; 34 char **alias_members; 35 int alias_local; 36 }; 37 38 39 /* Open alias data base files. */ 40 extern void setaliasent (void) __THROW; 41 42 /* Close alias data base files. */ 43 extern void endaliasent (void) __THROW; 44 45 /* Get the next entry from the alias data base. */ 46 extern struct aliasent *getaliasent (void) __THROW; 47 48 /* Get the next entry from the alias data base and put it in RESULT_BUF. */ 49 extern int getaliasent_r (struct aliasent *__restrict __result_buf, 50 char *__restrict __buffer, size_t __buflen, 51 struct aliasent **__restrict __result) __THROW; 52 53 /* Get alias entry corresponding to NAME. */ 54 extern struct aliasent *getaliasbyname (__const char *__name) __THROW; 55 56 /* Get alias entry corresponding to NAME and put it in RESULT_BUF. */ 57 extern int getaliasbyname_r (__const char *__restrict __name, 58 struct aliasent *__restrict __result_buf, 59 char *__restrict __buffer, size_t __buflen, 60 struct aliasent **__restrict __result) __THROW; 61 62 __END_DECLS 63 64 #endif /* aliases.h */ 65