1 files changed, 5 insertions, 0 deletions
diff --git a/core/io/ioapi.h b/core/io/ioapi.h
index 53d01d65c5..f6934e5866 100644
--- a/core/io/ioapi.h
+++ b/core/io/ioapi.h
@@ -144,6 +144,8 @@ typedef struct zlib_filefunc_def_s
     close_file_func     zclose_file;
     testerror_file_func zerror_file;
     voidpf              opaque;
+    alloc_func alloc_mem;
+    free_func free_mem;
 } zlib_filefunc_def;
 
 typedef ZPOS64_T (ZCALLBACK *tell64_file_func)    OF((voidpf opaque, voidpf stream));
@@ -160,6 +162,9 @@ typedef struct zlib_filefunc64_def_s
     close_file_func     zclose_file;
     testerror_file_func zerror_file;
     voidpf              opaque;
+    alloc_func alloc_mem;
+    free_func free_mem;
+
 } zlib_filefunc64_def;
 
 void fill_fopen64_filefunc OF((zlib_filefunc64_def* pzlib_filefunc_def));