+#ifndef CCAN_FAILTEST_RESTORE_H
+#define CCAN_FAILTEST_RESTORE_H
+/* This file undoes the effect of failtest_override.h. */
+
+#undef calloc
+#define calloc(nmemb, size) \
+ failtest_calloc((nmemb), (size), NULL, 0)
+
+#undef malloc
+#define malloc(size) \
+ failtest_malloc((size), NULL, 0)
+
+#undef realloc
+#define realloc(ptr, size) \
+ failtest_realloc((ptr), (size), NULL, 0)
+
+#undef open
+#define open(pathname, flags, ...) \
+ failtest_open((pathname), (flags), NULL, 0, __VA_ARGS__)
+
+#undef pipe
+#define pipe(pipefd) \
+ failtest_pipe((pipefd), NULL, 0)
+
+#undef read
+#define read(fd, buf, count) \
+ failtest_read((fd), (buf), (count), NULL, 0)
+
+#undef write
+#define write(fd, buf, count) \
+ failtest_write((fd), (buf), (count), NULL, 0)
+
+#undef close
+#define close(fd) failtest_close(fd)
+
+#endif /* CCAN_FAILTEST_RESTORE_H */