child_stdout_      64 third_party/protobuf/src/google/protobuf/compiler/subprocess.cc       child_handle_(NULL), child_stdin_(NULL), child_stdout_(NULL) {}
child_stdout_     279 third_party/protobuf/src/google/protobuf/compiler/subprocess.cc     : child_pid_(-1), child_stdin_(-1), child_stdout_(-1) {}