diff --git a/include/malloc.h b/include/malloc.h
new file mode 100644
index 0000000000..0862df9b1b
--- /dev/null
+++ b/include/malloc.h
@@ -0,0 +1,63 @@
+/****************************************************************************
+ * include/malloc.h
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#ifndef __INCLUDE_MALLOC_H
+#define __INCLUDE_MALLOC_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Type Definitions
+ ****************************************************************************/
+
+struct mallinfo
+{
+  int arena;    /* This is the total size of memory allocated
+                 * for use by malloc in bytes. */
+  int ordblks;  /* This is the number of free (not in use) chunks */
+  int mxordblk; /* Size of the largest free (not in use) chunk */
+  int uordblks; /* This is the total size of memory occupied by
+                 * chunks handed out by malloc. */
+  int fordblks; /* This is the total size of memory occupied
+                 * by free (not in use) chunks. */
+};
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif
+
+struct mallinfo mallinfo(void);
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __INCLUDE_MALLOC_H */
diff --git a/include/stdlib.h b/include/stdlib.h
index 811cacdf95..502dc4c4ca 100644
--- a/include/stdlib.h
+++ b/include/stdlib.h
@@ -30,6 +30,7 @@
 
 #include <sys/types.h>
 #include <errno.h>
+#include <malloc.h>
 #include <stdint.h>
 #include <limits.h>
 
@@ -71,18 +72,6 @@
  * Public Type Definitions
  ****************************************************************************/
 
-struct mallinfo
-{
-  int arena;    /* This is the total size of memory allocated
-                 * for use by malloc in bytes. */
-  int ordblks;  /* This is the number of free (not in use) chunks */
-  int mxordblk; /* Size of the largest free (not in use) chunk */
-  int uordblks; /* This is the total size of memory occupied by
-                 * chunks handed out by malloc. */
-  int fordblks; /* This is the total size of memory occupied
-                 * by free (not in use) chunks. */
-};
-
 /* Structure type returned by the div() function. */
 
 struct div_s
@@ -274,8 +263,6 @@ static inline int posix_memalign(FAR void **m, size_t a, size_t s)
 #define posix_memalign(m, a, s) ((*(m) = memalign((a), (s))) ? OK : ENOMEM)
 #endif
 
-struct mallinfo mallinfo(void);
-
 /* Pseudo-Terminals */
 
 #ifdef CONFIG_PSEUDOTERM_SUSV1