test/unit/proc_macro/leaks_deps/native/native.cc - third_party/github.com/bazelbuild/rules_rust - Git at Google

 #include <stdint.h>

 extern "C" {
 int32_t forty_two_from_cc() { return 42; }
 }
	#include <stdint.h>

	extern "C" {
	int32_t forty_two_from_cc() { return 42; }
	}