3 files changed, 4 insertions, 3 deletions
diff --git a/libc/stdlib/malloc-standard/free.c b/libc/stdlib/malloc-standard/free.c
index aa8edec97..1b294d706 100644
--- a/libc/stdlib/malloc-standard/free.c
+++ b/libc/stdlib/malloc-standard/free.c
@@ -169,7 +169,7 @@ static void malloc_init_state(mstate av)
   malloc anyway, it turns out to be the perfect place to trigger
   initialization code.
 */
-void __malloc_consolidate(mstate av)
+void attribute_hidden __malloc_consolidate(mstate av)
 {
     mfastbinptr*    fb;                 /* current fastbin being consolidated */
     mfastbinptr*    maxfb;              /* last fastbin (for loop control) */
diff --git a/libc/stdlib/malloc-standard/mallinfo.c b/libc/stdlib/malloc-standard/mallinfo.c
index f6c2a9104..029ceda1f 100644
--- a/libc/stdlib/malloc-standard/mallinfo.c
+++ b/libc/stdlib/malloc-standard/mallinfo.c
@@ -22,7 +22,7 @@ struct mallinfo attribute_hidden __mallinfo(void)
 {
     mstate av;
     struct mallinfo mi;
-    int i;
+    unsigned int i;
     mbinptr b;
     mchunkptr p;
     size_t avail;
diff --git a/libc/stdlib/malloc-standard/malloc.h b/libc/stdlib/malloc-standard/malloc.h
index 338edeabf..68d38cb3d 100644
--- a/libc/stdlib/malloc-standard/malloc.h
+++ b/libc/stdlib/malloc-standard/malloc.h
@@ -16,6 +16,7 @@
 
 #define mmap __mmap
 #define sysconf __sysconf
+#define sbrk __sbrk
 
 #include <features.h>
 #include <stddef.h>
@@ -929,7 +930,7 @@ extern struct malloc_state __malloc_state;  /* never directly referenced */
 #define get_malloc_state() (&(__malloc_state))
 
 /* External internal utilities operating on mstates */
-void   __malloc_consolidate(mstate);
+void   __malloc_consolidate(mstate) attribute_hidden;
 
 
 /* Debugging support */