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Command: setrgid | Section: 3 | Source: FreeBSD | File: setrgid.3.gz
SETRUID(3) FreeBSD Library Functions Manual SETRUID(3)
NAME
setruid, setrgid - set user and group ID
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <unistd.h>
int
setruid(uid_t ruid);
int
setrgid(gid_t rgid);
DESCRIPTION
The setruid() function (setrgid()) sets the real user ID (group ID) of
the current process.
RETURN VALUES
Upon successful completion, the value 0 is returned; otherwise the
value -1 is returned and the global variable errno is set to indicate the
error.
COMPATIBILITY
The use of these calls is not portable. Their use is discouraged; they
will be removed in the future.
ERRORS
The functions fail if:
[EPERM] The user is not the super user and the ID specified is
not the real or effective ID.
SEE ALSO
getgid(2), getuid(2), setegid(2), seteuid(2), setgid(2), setuid(2)
HISTORY
The setruid() and setrgid() syscalls appeared in 4.2BSD and were dropped
in 4.4BSD.
FreeBSD 14.1-RELEASE-p8 June 2, 1993 FreeBSD 14.1-RELEASE-p8