1  /* setresgid -- set real group ID, effective group ID, and saved-set group ID
       2     Copyright (C) 2002-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <errno.h>
      20  #include <unistd.h>
      21  
      22  /* Set the real group ID, effective group ID, and saved-set group ID,
      23     of the calling process to RGID, EGID, and SGID, respectively.  */
      24  int
      25  __setresgid (gid_t rgid, gid_t egid, gid_t sgid)
      26  {
      27    __set_errno (ENOSYS);
      28    return -1;
      29  }
      30  libc_hidden_def (__setresgid)
      31  stub_warning (setresgid)
      32  
      33  weak_alias (__setresgid, setresgid)