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NetBSD 6.1.5 - man page for setrgid (netbsd section 3)

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SETRUID(3)			   BSD Library Functions Manual 		       SETRUID(3)

NAME
     setruid, setrgid -- set user and group ID

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <sys/types.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 success, these functions return 0; otherwise -1 is returned.

     If the user is not the super user, or the uid specified is not the real or effective ID,
     these functions return -1.

     The use of these calls is not portable.  Their use is discouraged; they will be removed in
     the future.

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.

BSD					   June 2, 1993 				      BSD
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