[libc++] Wipe some more macros that do not belong in C++ forwarding headers

brad0 · ldionne · commit 401e4571060c · 2023-09-07T13:32:26.000-04:00
Submitting upstream from OpenBSD tree. Differential Revision: https://reviews.llvm.org/D94569
diff --git a/libcxx/include/stdio.h b/libcxx/include/stdio.h
@@ -115,6 +115,8 @@ void perror(const char* s);
 #undef clearerr
 #undef feof
 #undef ferror
+#undef putchar
+#undef getchar
 
 #endif
 
