<div class="content"><p>The ReadCache_Common structure contains information common
to both the <a href="ba203dba-d546-4e9d-b8cf-afa22cf88c3d" data-linktype="relative-path">ReadCacheA_Call</a>
and <a href="f45705cf-9299-4802-b408-685f02025e6a" data-linktype="relative-path">ReadCacheW_Call</a>
structures.</p><dl>
<dd>
<div><pre> typedef struct _ReadCache_Common {
   REDIR_SCARDCONTEXT Context;
   UUID* CardIdentifier;
   unsigned long FreshnessCounter;
   long fPbDataIsNULL;
   unsigned long cbDataLen;
 } ReadCache_Common;
</pre></div>
</dd></dl><p><b>Context:</b>  A valid context, as
specified in section <a href="060abee1-e520-4149-9ef7-ce79eb500a59" data-linktype="relative-path">2.2.1.1</a>.</p><p><b>CardIdentifier:</b>  A <a href="d361b24c-611e-46c5-9ac6-93cb6490a472#gt_c4813fc3-b2e5-4aa3-bde7-421d950d68d3" data-linktype="relative-path">UUID</a> that specifies the
name of the <a href="d361b24c-611e-46c5-9ac6-93cb6490a472#gt_7c0fcc4a-476a-4d3a-87c0-7a503c14ef05" data-linktype="relative-path">smart card</a>
with which the name-value pair is associated.</p><p><b>FreshnessCounter:</b>  A value
specifying the current revision of the data.</p><p><b>fPbDataIsNULL:</b>  A Boolean value
specifying whether the caller wants to retrieve the length of the data. It MUST
be set to TRUE (0x00000001) if the caller wants only to retrieve the length of
the data; otherwise, it MUST be set to FALSE (0x00000000).</p><p><b>cbDataLen:</b>  The length of the buffer
specified on the server side. If <b>cbDataLen</b> is set to SCARD_AUTOALLOCATE
with a value of 0xFFFFFFFF, a buffer of any length can be returned. Otherwise,
the returned buffer MUST NOT exceed <b>cbDataLen</b> bytes. This field MUST be
ignored if <b>fPbDataIsNULL</b> is set to TRUE (0x00000001).</p></div>