_LIBCPP_BEGIN_NAMESPACE_STD
using ::size_t;
-using ::memcpy;
-using ::memmove;
+
+// using ::memcpy;
+inline _LIBCPP_INLINE_VISIBILITY
+void* memcpy(void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
+{ return ::memcpy(__s1, __s2, __n); }
+
+// using ::memmove;
+inline _LIBCPP_INLINE_VISIBILITY
+void* memmove(void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
+{ return ::memmove(__s1, __s2, __n); }
+
using ::strcpy;
using ::strncpy;
using ::strcat;
using ::strncat;
-using ::memcmp;
+
+// using ::memcmp;
+inline _LIBCPP_INLINE_VISIBILITY
+int memcmp(const void* __s1, const void* __s2, size_t __n) __attribute__((nonnull(1, 2)))
+{ return ::memcmp(__s1, __s2, __n); }
+
using ::strcmp;
-using ::strncmp;
+
+// using ::strncmp;
+inline _LIBCPP_INLINE_VISIBILITY
+int strncmp(const char* __s1, const char* __s2, size_t __n) __attribute__((nonnull(1, 2)))
+{ return ::memcmp(__s1, __s2, __n); }
+
using ::strcoll;
using ::strxfrm;
#endif // !__EMSCRIPTEN__
#endif // !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION)
+#if !defined(LIBCXXRT) && !defined(__GLIBCXX__) && !defined(__EMSCRIPTEN__)
bool uncaught_exception() _NOEXCEPT { return uncaught_exceptions() > 0; }
-#if !defined(LIBCXXRT) && !defined(__GLIBCXX__) && !defined(__EMSCRIPTEN__)
int uncaught_exceptions() _NOEXCEPT
{
#if defined(__APPLE__) || defined(_LIBCPPABI_VERSION)