    SETUID(II)                    8/5/73                   SETUID(II)

    NAME
         setuid - set process user ID

    SYNOPSIS
         (setuid = 23.)
         (user ID in r0)
         sys setuid

         setuid(uid)

    DESCRIPTION
         The  user  ID of the current process is set to the argument.
         Both the effective and the real user ID are set.  This  call
         is  only  permitted  to the super-user or if the argument is
         the real user ID.

    SEE ALSO
         getuid(II)

    DIAGNOSTICS
         Error bit (c-bit) is set as indicated; from C, a -1 value is
         returned.

                                  - 1 -