+int qemu_open(const char *name, int flags, ...);
+ssize_t qemu_write_full(int fd, const void *buf, size_t count)
+ QEMU_WARN_UNUSED_RESULT;
+void qemu_set_cloexec(int fd);
+
+#ifndef _WIN32
+int qemu_eventfd(int pipefd[2]);
+int qemu_pipe(int pipefd[2]);
+#endif
+