    SETGID(II)                    8/5/73                   SETGID(II)

    NAME
         setgid - set process group ID

    SYNOPSIS
         (setgid = 46.; not in assembler)
         (group ID in r0)
         sys setgid

         setgid(gid)

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

    SEE ALSO
         getgid(II)

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

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