s6b.SetSize(s6b.Size() + n)
		size += n
	}

	if size > 0 {
		linkoff = Rnd(int64(uint64(HEADR)+Segtext.Length), *FlagRound) + Rnd(int64(Segrelrodata.Filelen), *FlagRound) + Rnd(int64(Segdata.Filelen), *FlagRound) + Rnd(int64(Segdwarf.Filelen), *FlagRound)
		ctxt.Out.SeekSet(linkoff)

		ctxt.Out.Write(ldr.Data(s1))
		ctxt.Out.Write(ldr.Data(s2))
		ctxt.Out.Write(ldr.Data(s3))
		ctxt.Out.Write(ldr.Data(s4))

			}
		}
		if seg != &Segdata {
			// Link.address already set Segdata.Filelen to
			// account for BSS.
			seg.Filelen = seg.Length
		}
		prev = seg
	}
	return prev.Fileoff + prev.Filelen
}

// add a trampoline with symbol s (to be laid down after the current function)
func (ctxt *Link) AddTramp(s *loader.SymbolBuilder) {
	s.SetType(sym.STEXT)
	s.SetReachable(true)

</p>
<pre>
func Greeting(prefix string, who ...string)
Greeting("nobody")
Greeting("hello:", "Joe", "Anna", "Eileen")
</pre>

<p>
within <code>Greeting</code>, <code>who</code> will have the value
<code>nil</code> in the first call, and
<code>[]string{"Joe", "Anna", "Eileen"}</code> in the second.
</p>

<p>
If the final argument is assignable to a slice type <code>[]T</code> and