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-rw-r--r--grp/grp.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/grp/grp.h b/grp/grp.h
index fc805c6f46..c70689a097 100644
--- a/grp/grp.h
+++ b/grp/grp.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,92,95,96,97,98,99,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,95,96,97,98,99,2000,01 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
@@ -136,6 +136,12 @@ extern int fgetgrent_r (FILE *__restrict __stream,
 /* Set the group set for the current user to GROUPS (N of them).  */
 extern int setgroups (size_t __n, __const __gid_t *__groups) __THROW;
 
+/* Store at most *NGROUPS members of the group set for USER into
+   *GROUPS.  Also include GROUP.  The actual number of groups found is
+   returned in *NGROUPS.  Return -1 if the if *NGROUPS is too small.  */
+extern int getgrouplist (__const char *__user, __gid_t __group,
+			 __gid_t *__groups, int *__ngroups) __THROW;
+
 /* Initialize the group set for the current user
    by reading the group database and using all groups
    of which USER is a member.  Also include GROUP.  */