diff --git a/libc/bionic/scudo.h b/libc/bionic/scudo.h
index a80d754..946a497 100644
--- a/libc/bionic/scudo.h
+++ b/libc/bionic/scudo.h
@@ -56,4 +56,24 @@
 void scudo_malloc_disable();
 void scudo_malloc_enable();
 
+void* scudo_svelte_aligned_alloc(size_t, size_t);
+void* scudo_svelte_calloc(size_t, size_t);
+void scudo_svelte_free(void*);
+struct mallinfo scudo_svelte_mallinfo();
+void* scudo_svelte_malloc(size_t);
+int scudo_svelte_malloc_info(int, FILE*);
+size_t scudo_svelte_malloc_usable_size(const void*);
+int scudo_svelte_mallopt(int, int);
+void* scudo_svelte_memalign(size_t, size_t);
+void* scudo_svelte_realloc(void*, size_t);
+int scudo_svelte_posix_memalign(void**, size_t, size_t);
+#if defined(HAVE_DEPRECATED_MALLOC_FUNCS)
+void* scudo_svelte_pvalloc(size_t);
+void* scudo_svelte_valloc(size_t);
+#endif
+
+int scudo_svelte_malloc_iterate(uintptr_t, size_t, void (*)(uintptr_t, size_t, void*), void*);
+void scudo_svelte_malloc_disable();
+void scudo_svelte_malloc_enable();
+
 __END_DECLS