[#CBlockIndex-pprev]
= xref:CBlockIndex.adoc[CBlockIndex]::pprev
:relfileprefix: ../
:mrdocs:

pointer to the index of the predecessor of this block

== Synopsis

Declared in `&lt;chain&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
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xref:CBlockIndex.adoc[CBlockIndex]* pprev = &lcub;nullptr&rcub;;
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