}
			a := s.expr(n.X)
			i := s.expr(n.Index)
			len := s.newValue1(ssa.OpStringLen, types.Types[types.TINT], a)
			i = s.boundsCheck(i, len, ssa.BoundsIndex, n.Bounded())
			ptrtyp := s.f.Config.Types.BytePtr
			ptr := s.newValue1(ssa.OpStringPtr, ptrtyp, a)
			if ir.IsConst(n.Index, constant.Int) {

	Len  uint16
	Type uint16
}

type IfInfomsg struct {
	Family uint8
	_      uint8
	Type   uint16
	Index  int32
	Flags  uint32
	Change uint32
}

type IfAddrmsg struct {
	Family    uint8
	Prefixlen uint8
	Flags     uint8
	Scope     uint8
	Index     uint32
}

type IfaCacheinfo struct {
	Prefered uint32
	Valid    uint32
	Cstamp   uint32
	Tstamp   uint32
}

	scratchLen := cs.frameScratchBufferLen(maxFrameSize)
	var buf []byte
	index := http2bufPoolIndex(scratchLen)
	if bp, ok := http2bufPools[index].Get().(*[]byte); ok && len(*bp) >= scratchLen {
		defer http2bufPools[index].Put(bp)
		buf = *bp
	} else {
		buf = make([]byte, scratchLen)
		defer http2bufPools[index].Put(&buf)
	}

	var sawEOF bool
	for !sawEOF {
		n, err := body.Read(buf)