[libc-commits] [libc] [libc][stdlib] Add unsetenv (PR #202422)

[Michael Jones via libc-commits]

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@@ -18,6 +18,9 @@
 #include "src/__support/alloc-checker.h"
 #include "src/__support/macros/config.h"
 #include "src/string/memory_utils/inline_memcpy.h"
+#ifdef LIBC_SUPPORT_ENVIRON
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michaelrj-google wrote:

copts like this should start `LIBC_COPT_`...

https://github.com/llvm/llvm-project/pull/202422