xdr_read_pages
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## Name

xdr_read_pages — Ensure page-based XDR data to decode is aligned at current pointer position

## Synopsis

`unsigned int xdr_read_pages (` | struct xdr_stream * xdr,
| unsigned int len`)`;

## Arguments

`xdr`

  pointer to xdr_stream struct

`len`

  number of bytes of page data

## Description

Moves data beyond the current pointer position from the XDR head[] buffer into the page list. Any data that lies beyond current position + “len” bytes is moved into the XDR tail[].

Returns the number of XDR encoded bytes now contained in the pages

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