diff --git a/ext/MaskedVByte/include/varintdecode.h b/ext/MaskedVByte/include/varintdecode.h
new file mode 100644
index 0000000..fbdb049
--- /dev/null
+++ b/ext/MaskedVByte/include/varintdecode.h
@@ -0,0 +1,28 @@
+
+#ifndef VARINTDECODE_H_
+#define VARINTDECODE_H_
+#define __STDC_FORMAT_MACROS
+#include <inttypes.h>
+#include <stdint.h>// please use a C99-compatible compiler
+#include <stddef.h>
+
+// This function must be called once to initialized tables before using the other functions below
+void simdvbyteinit(void);
+
+// Read "length" 32-bit integers in varint format from in, storing the result in out.  Returns the number of bytes read.
+size_t masked_vbyte_decode(const uint8_t* in, uint32_t* out, uint64_t length);
+
+// Read "length" 32-bit integers in varint format from in, storing the result in out with differential coding starting at prev.  Setting prev to zero is a good default. Returns the number of bytes read.
+size_t masked_vbyte_decode_delta(const uint8_t* in, uint32_t* out, uint64_t length, uint32_t  prev);
+
+// Read 32-bit integers in varint format from in, reading inputsize bytes, storing the result in out. Returns the number of integers read.
+size_t masked_vbyte_decode_fromcompressedsize(const uint8_t* in, uint32_t* out,
+		size_t inputsize);
+
+// Read 32-bit integers in varint format from in, reading inputsize bytes, storing the result in out with differential coding starting at prev. Setting prev to zero is a good default. Returns the number of integers read.
+size_t masked_vbyte_decode_fromcompressedsize_delta(const uint8_t* in, uint32_t* out,
+		size_t inputsize, uint32_t  prev);
+
+
+
+#endif /* VARINTDECODE_H_ */