# 2.11BSD#431 - /usr/man/cat3/setruid.0

    SETRUID(3)	    UNIX Programmer's Manual	       SETRUID(3)

    NAME
         setruid, setrgid - set user and group ID

    SYNOPSIS
         #include <sys/types.h>
         int
         setruid(ruid)
    	 uid_t ruid

         int
         setrgid(rgid)
    	 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
         setuid(2), setgid(2), seteuid(2), setegid(2), getuid(2),
         getgid(2)

    HISTORY
         The setruid and setrgid syscalls appeared in 4.2BSD and were
         dropped in 4.4BSD.

    Printed 11/26/99	December 3, 1997			1

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