Copyright (c) 1980 The Regents of the University of California.
All rights reserved.
%sccs.include.redist.man%
@(#)setreuid.2 6.3 (Berkeley) 06/23/90
All rights reserved.
%sccs.include.redist.man%
@(#)setreuid.2 6.3 (Berkeley) 06/23/90
SETREUID 2 ""
C 4 NAME
setreuid - set real and effective user ID's
SYNOPSIS
setreuid(ruid, euid) int ruid, euid;
DESCRIPTION
The real and effective user ID's of the
current process are set according to the arguments.
If
ruid or
euid is -1, the current uid is filled in by the system.
Unprivileged users may change the real user
ID to the effective user ID and vice-versa; only the super-user may
make other changes.
"RETURN VALUE
Upon successful completion, a value of 0 is returned. Otherwise,
a value of -1 is returned and errno is set to indicate the error.
"ERRORS
15 [EPERM] The current process is not the super-user and a change other than changing the effective user-id to the real user-id was specified.
"SEE ALSO"
getuid(2), setregid(2), setuid(3)