1 files changed, 63 insertions, 0 deletions
diff --git a/nss/aliases.h b/nss/aliases.h
new file mode 100644
index 0000000000..bdd704ac6f
--- /dev/null
+++ b/nss/aliases.h
@@ -0,0 +1,63 @@
+/* Copyright (C) 1996-2023 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <https://www.gnu.org/licenses/>.  */
+
+#ifndef _ALIASES_H
+#define _ALIASES_H	1
+
+#include <features.h>
+
+#include <sys/types.h>
+
+
+__BEGIN_DECLS
+
+/* Structure to represent one entry of the alias database.  */
+struct aliasent
+  {
+    char *alias_name;
+    size_t alias_members_len;
+    char **alias_members;
+    int alias_local;
+  };
+
+
+/* Open alias data base files.  */
+extern void setaliasent (void) __THROW;
+
+/* Close alias database files.  */
+extern void endaliasent (void) __THROW;
+
+/* Get the next entry from the alias database.  */
+extern struct aliasent *getaliasent (void) __THROW;
+
+/* Get the next entry from the alias database and put it in RESULT_BUF.  */
+extern int getaliasent_r (struct aliasent *__restrict __result_buf,
+			  char *__restrict __buffer, size_t __buflen,
+			  struct aliasent **__restrict __result) __THROW;
+
+/* Get alias entry corresponding to NAME.  */
+extern struct aliasent *getaliasbyname (const char *__name) __THROW;
+
+/* Get alias entry corresponding to NAME and put it in RESULT_BUF.  */
+extern int getaliasbyname_r (const char *__restrict __name,
+			     struct aliasent *__restrict __result_buf,
+			     char *__restrict __buffer, size_t __buflen,
+			     struct aliasent **__restrict __result) __THROW;
+
+__END_DECLS
+
+#endif /* aliases.h */