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diff --git a/gpr/source/lib/common/public/gpr_allocator.h b/gpr/source/lib/common/public/gpr_allocator.h
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+/*! @file gpr_allocator.h
+ *
+ *  @brief The API for memory allocation and deallocation functions.
+ *
+ *  @version 1.0.0
+ *
+ *  (C) Copyright 2018 GoPro Inc (http://gopro.com/).
+ *
+ *  Licensed under either:
+ *  - Apache License, Version 2.0, http://www.apache.org/licenses/LICENSE-2.0
+ *  - MIT license, http://opensource.org/licenses/MIT
+ *  at your option.
+ *
+ *  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 GPR_ALLOCATOR_H
+#define GPR_ALLOCATOR_H
+
+#include "gpr_platform.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+    
+    extern void* gpr_global_malloc(size_t size);
+    
+    extern void  gpr_global_free(void *block);
+    
+    typedef void* (*gpr_malloc)(size_t size); /* Malloc callback function typedef */
+    
+    typedef void  (*gpr_free)(void* p);       /* Free callback function typedef */
+    
+    typedef struct
+    {
+        gpr_malloc      Alloc;              // Callback function to allocate memory
+        
+        gpr_free        Free;               // Callback function to free memory
+        
+    } gpr_allocator;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // GPR_ALLOCATOR_H