+hidden void *__dlsym(void *restrict, const char *restrict, void *restrict);
+
+hidden void __dl_seterr(const char *, ...);
+hidden int __dl_invalid_handle(void *);
+hidden void __dl_vseterr(const char *, va_list);
+
+hidden ptrdiff_t __tlsdesc_static(), __tlsdesc_dynamic();
+