[libc-commits] [libc] [libc][stdlib] Implement setenv() with environment management infrastructure (PR #163018)

[Michael Jones via libc-commits]

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+//===-- Implementation of setenv ------------------------------------------===//
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michaelrj-google wrote:

`setenv` is actually a posix specific function, unlike `getenv` which is C standard. In this case it should probably go in the `linux` subfolder since it needs to use linux specifics.

https://github.com/llvm/llvm-project/pull/163018