[libc] [llvm] [libc] Add support for getpagesize. (PR #171713)

[Roland McGrath via llvm-commits]

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@@ -174,6 +174,12 @@ functions:
     arguments:
       - type: char *
       - type: size_t
+  - name: getpagesize
+    standards:
+      - GNUExtensions
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frobtech wrote:

Just bsd here.

https://github.com/llvm/llvm-project/pull/171713