--- /dev/null
+++ Libc/Libc-1725.0.11/tests/fortify_source/fortify_source.c
@@ -0,0 +1,137 @@
+// workaround in case we accidentally grab this project's <sys/cdefs.h>
+#define _LIBC_NO_FEATURE_VERIFICATION 1
+
+#include <sys/cdefs.h>
+
+#ifdef UNDEF_BOUNDS_SAFETY_ATTRIBUTES
+#undef __LIBC_STAGED_BOUNDS_SAFETY_ATTRIBUTE
+#endif
+
+#ifdef _TEST_POSIX_C_SOURCE
+#undef _POSIX_C_SOURCE
+#define _POSIX_C_SOURCE _TEST_POSIX_C_SOURCE
+#endif
+
+#ifdef _TEST_DARWIN_C_LEVEL
+#undef __DARWIN_C_LEVEL
+#define __DARWIN_C_LEVEL _TEST_DARWIN_C_LEVEL
+#endif
+
+/* This file is preprocessed with the following feature combinations:
+ POSIX_C_SOURCE  DARWIN_C_LEVEL	  UNIFDEF_DRIVERKIT  -fbounds-safety
+ -               0                -                  -
+ -               200112L          -                  -
+ -               200809L          -                  -
+ -               __DARWIN_C_FULL  -                  -
+ 0               __DARWIN_C_FULL  -                  -
+ -               __DARWIN_C_FULL  1                  -
+ -               __DARWIN_C_FULL  -                  1
+ -               __DARWIN_C_FULL  1                  1
+ */
+
+#include <string.h>
+#include <stdio.h>
+
+extern void undefined;
+
+// MARK: - <strings.h> safe functions
+#ifndef bcopy
+#define bcopy(...) undefined
+#endif
+
+#ifndef bzero
+#define bzero(...) undefined
+#endif
+
+// MARK: - <stdio.h> safe functions
+#ifndef sprintf
+#define sprintf(...) undefined
+#endif
+
+#ifndef vsprintf
+#define vsprintf(...) undefined
+#endif
+
+#ifndef snprintf
+#define snprintf(...) undefined
+#endif
+
+#ifndef vsnprintf
+#define vsnprintf(...) undefined
+#endif
+
+// MARK: - <string.h> safe functions
+#ifndef memccpy
+#define memccpy(...) undefined
+#endif
+
+#ifndef memcpy
+#define memcpy(...) undefined
+#endif
+
+#ifndef memmove
+#define memmove(...) undefined
+#endif
+
+#ifndef memset
+#define memset(...) undefined
+#endif
+
+#ifndef strcpy
+#define strcpy(...) undefined
+#endif
+
+#ifndef strcat
+#define strcat(...) undefined
+#endif
+
+#ifndef strncpy
+#define strncpy(...) undefined
+#endif
+
+#ifndef strncat
+#define strncat(...) undefined
+#endif
+
+#ifndef stpcpy
+#define stpcpy(...) undefined
+#endif
+
+#ifndef stpncpy
+#define stpncpy(...) undefined
+#endif
+
+#ifndef strlcpy
+#define strlcpy(...) undefined
+#endif
+
+#ifndef strlcat
+#define strlcat(...) undefined
+#endif
+
+#define HELLO_SIZEOF_RESULT() "hello", sizeof(result)
+
+void test_stdio(va_list ap) {
+	char result[100];
+	const char hello[] = "hello";
+	const char world[] = " world";
+
+test_bcopy:	bcopy(hello, result, 6);
+test_bzero:	bzero(result, sizeof(result));
+test_sprintf:	sprintf(result, "hello %s!", "Darwin");
+test_vsprintf:	vsprintf(result, "hello %s!", ap);
+test_snprintf:	snprintf(result, sizeof(result), "hello %s!", "Darwin");
+test_vsnprintf:	vsnprintf(result, sizeof(result), "hello %s!", ap);
+test_memccpy:	memccpy(result, hello, 0, 6);
+test_memcpy:	memcpy(result, hello, 6);
+test_memmove:	memmove(result, hello, 6);
+test_memset:	memset(result, 0, sizeof(result));
+test_strcpy:	strcpy(result, hello);
+test_strcat:	strcat(result, world);
+test_strncpy:	strncpy(result, HELLO_SIZEOF_RESULT());
+test_strncat:	strncat(result, world, 10);
+test_stpcpy:	stpcpy(result, hello);
+test_stpncpy:	stpncpy(result, hello, 10);
+test_strlcpy:	strlcpy(result, HELLO_SIZEOF_RESULT());
+test_strlcat:	strlcat(result, HELLO_SIZEOF_RESULT());
+}