Inconsistent directory structure Help!!

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Please ensure that your bug report is clear and that it is complete. Otherwise, we may be unable to understand it or to reproduce it, either of which would prevent us from fixing the bug. We strongly recommend the report(bug report or feature request) could include some hints as to the following:

**BUG REPORT**

1. Please describe the issue you observed:

- What did you do (The steps to reproduce)?
i used `re_dev` branch

- What did you expect to see?
The `master` branch and the `re_dev` branch have the same directory structure

- What did you see instead?
`re_dev` include directory include/c and include/*
`master` include directory include/*

Compare the include/ directory on the master and re_dev branches, especially include/c and the other include entries mentioned in the report. Check the branch history or repository guidance to determine which structure is intended; done should mean the two branches have the agreed directory layout.

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