-/* Designed to avoid any overhead in non-threaded processes */
-void __lock(volatile int *) ATTR_LIBC_VISIBILITY;
-void __unlock(volatile int *) ATTR_LIBC_VISIBILITY;
-int __lockfile(FILE *) ATTR_LIBC_VISIBILITY;
-void __unlockfile(FILE *) ATTR_LIBC_VISIBILITY;
-#define LOCK(x) __lock(x)
-#define UNLOCK(x) __unlock(x)
-
-void __synccall(void (*)(void *), void *);
-int __setxid(int, int, int, int);
-
-extern char **__environ;
-
-#undef weak_alias
-#define weak_alias(old, new) \
- extern __typeof(old) new __attribute__((weak, alias(#old)))
-
-#undef LFS64_2
-#define LFS64_2(x, y) weak_alias(x, y)