diff --git a/libc/bionic/ndk_cruft.cpp b/libc/bionic/ndk_cruft.cpp
index d6b8e8f..6609470 100644
--- a/libc/bionic/ndk_cruft.cpp
+++ b/libc/bionic/ndk_cruft.cpp
@@ -286,6 +286,12 @@
   return r.rlim_cur;
 }
 
+// A leaked BSD stdio implementation detail that's now a no-op.
+extern "C" void __sinit() {
+}
+
+extern "C" int __sdidinit = 1;
+
 // Only used by ftime, which was removed from POSIX 2008.
 struct timeb {
   time_t          time;