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INTERNALS: bring back the "Library symbols" section

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Most contents was moved, but this text should remain here.

Follow-up to: d324ac8
Reported-by: Viktor Szakats
Bug: https://github.com/curl/curl/pull/9027#discussion_r903382326
Closes #9037
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Daniel Stenberg 2022-06-22 09:40:39 +02:00
parent 6c501cb624
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docs/INTERNALS.md
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@ -58,3 +58,13 @@ versions of libs, tools and operating systems.
- perl 5.004
- roffit 0.5
- groff ? (any version that supports `groff -Tps -man [in] [out]`)
Library Symbols
===============
All symbols used internally in libcurl must use a `Curl_` prefix if they are
used in more than a single file. Single-file symbols must be made static.
Public ("exported") symbols must use a `curl_` prefix. (There are exceptions,
but they are to be changed to follow this pattern in future versions.) Public
API functions are marked with `CURL_EXTERN` in the public header files so
that all others can be hidden on platforms where this is possible.