|  | /* Copyright (C) 1991, 1993, 1995, 1996, 1997 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, write to the Free | 
|  | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA | 
|  | 02111-1307 USA.  */ | 
|  |  | 
|  | #include <errno.h> | 
|  | #include <unistd.h> | 
|  | #include <sys/types.h> | 
|  | #include <ros/syscall.h> | 
|  |  | 
|  | /* Set the group ID of the calling process to GID. | 
|  | If the calling process is the super-user, the real | 
|  | and effective group IDs, and the saved set-group-ID to GID; | 
|  | if not, the effective group ID is set to GID.  */ | 
|  | int | 
|  | __setgid (gid) | 
|  | gid_t gid; | 
|  | { | 
|  | return ros_syscall(SYS_setgid, gid, 0, 0, 0, 0, 0); | 
|  | } | 
|  | weak_alias (__setgid, setgid) |