user24556: Is there specific reference for naming conventions in Bitcoin Core source code? 
I see regularity in class naming with prefix "C" (Chain, CInv etc.) or pointer naming with "p" (pprev, pnode etc. ) and am wondering if there's more to my list of prefixes or other conventions.
Is there a Bitcoin-specific naming convention at all?

user25088: The style guide for Bitcoin Core is available on GitHub here. It no longer details a naming convention, but as Nick ODell already mentioned above, variables typically follow a form of Apps Hungarian naming.
In the past, the style guide did include a naming convention, however it has since been removed because it wasn't being consistently followed.

user3697: http://en.wikipedia.org/wiki/Hungarian_notation

C stands for Class
p for Pointer
f for Flag (boolean)
n for Number
sz for zero terminated string

These conventions are no longer mandatory when contributing to bitcoin core.
You might also read https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md

24556: <p><strong>Is there specific reference for naming conventions in Bitcoin Core source code?</strong> <br/>
I see regularity in class naming with prefix "C" (Chain, CInv etc.) or pointer naming with "p" (pprev, pnode etc. ) and am wondering if there's more to my list of prefixes or other conventions.</p>

<p><strong>Is there a Bitcoin-specific naming convention at all?</strong></p>
 25088: <p>The style guide for Bitcoin Core is available on <a href="https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md" rel="nofollow noreferrer">GitHub here</a>. It no longer details a naming convention, but as <a href="https://bitcoin.stackexchange.com/users/2306/nick-odell">Nick ODell</a> already mentioned above, variables typically follow a form of <a href="http://en.wikipedia.org/wiki/Hungarian_notation#Systems_vs._Apps_Hungarian" rel="nofollow noreferrer">Apps Hungarian</a> naming.</p>

<p>In the past, the style guide did include <a href="https://github.com/bitcoin/bitcoin/blob/v0.9.5/doc/coding.md#coding" rel="nofollow noreferrer">a naming convention</a>, however it has since been removed because <a href="https://github.com/bitcoin/bitcoin/pull/4498#issuecomment-50391941" rel="nofollow noreferrer">it wasn't being consistently followed</a>.</p>
 3697: <p><a href="http://en.wikipedia.org/wiki/Hungarian_notation" rel="nofollow">http://en.wikipedia.org/wiki/Hungarian_notation</a></p>

<ul>
<li><code>C</code> stands for Class</li>
<li><code>p</code> for Pointer</li>
<li><code>f</code> for Flag (boolean)</li>
<li><code>n</code> for Number</li>
<li><code>sz</code> for zero terminated string</li>
</ul>

<p>These conventions are no longer mandatory when contributing to bitcoin core.</p>

<p>You might also read <a href="https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md" rel="nofollow">https://github.com/bitcoin/bitcoin/blob/master/doc/developer-notes.md</a></p>
