First version.
diff --git a/src/hb-types-private.cc b/src/hb-types-private.cc
new file mode 100644
index 0000000..ca1674c
--- /dev/null
+++ b/src/hb-types-private.cc
@@ -0,0 +1,116 @@
+#include <stdint.h>
+
+/*
+ *
+ * The OpenType Font File
+ *
+ */
+
+/*
+ * Data Types:
+ */
+
+
+/* "All OpenType fonts use Motorola-style byte ordering (Big Endian)"
+ * So we define the following hb_be_* types as structs/unions, to
+ * disallow accidental access to them as an integer. */
+
+typedef union {
+ uint8_t u8;
+ uint8_t v;
+} hb_be_uint8_t;
+
+typedef union {
+ int8_t i8;
+ int8_t v;
+} hb_be_int8_t;
+
+typedef union {
+ uint8_t u8x2[2];
+ uint16_t u16;
+ uint16_t v;
+} hb_be_uint16_t;
+
+typedef union {
+ uint8_t u8x2[2];
+ int16_t i16;
+ int16_t v;
+} hb_be_int16_t;
+
+typedef union {
+ uint8_t u8x4[4];
+ uint16_t u16x2[2];
+ uint32_t u32;
+ uint32_t v;
+ inline operator int () { return (u8x4[0]<<24)+(u8x4[1]<<16)+(u8x4[2]<<8)+u8x4[3]; }
+} hb_be_uint32_t;
+
+typedef union {
+ uint8_t u8x4[4];
+ uint16_t u16x2[2];
+ int32_t i32;
+ int32_t v;
+} hb_be_int32_t;
+
+typedef union {
+ uint8_t u8x8[8];
+ uint16_t u16x4[4];
+ uint32_t u32x2[2];
+ uint64_t u64;
+ uint64_t v;
+} hb_be_uint64_t;
+
+typedef union {
+ uint8_t u8x8[8];
+ uint16_t u16x4[4];
+ uint32_t u32x2[2];
+ int64_t i64;
+ int64_t v;
+} hb_be_int64_t;
+
+
+/* "The following data types are used in the OpenType font file." */
+
+typedef hb_be_uint8_t HB_BYTE; /* 8-bit unsigned integer. */
+typedef hb_be_int8_t HB_CHAR; /* 8-bit signed integer. */
+typedef hb_be_uint16_t HB_USHORT; /* 16-bit unsigned integer. */
+typedef hb_be_int16_t HB_SHORT; /* 16-bit signed integer. */
+typedef hb_be_uint32_t HB_ULONG; /* 32-bit unsigned integer. */
+typedef hb_be_int32_t HB_LONG; /* 32-bit signed integer. */
+typedef hb_be_int32_t HB_Fixed; /* 32-bit signed fixed-point number
+ * (16.16) */
+typedef struct _FUNIT HB_FUNIT; /* Smallest measurable distance
+ * in the em space. */
+typedef HB_SHORT HB_FWORD; /* 16-bit signed integer (SHORT) that
+ * describes a quantity in FUnits. */
+typedef HB_USHORT HB_UFWORD; /* 16-bit unsigned integer (USHORT)
+ * that describes a quantity in
+ * FUnits. */
+typedef hb_be_int16_t HB_F2DOT14; /* 16-bit signed fixed number with the
+ * low 14 bits of fraction (2.14). */
+typedef hb_be_int64_t HB_LONGDATETIME;/* Date represented in number of
+ * seconds since 12:00 midnight,
+ * January 1, 1904. The value is
+ * represented as a signed 64-bit
+ * integer. */
+typedef hb_be_uint32_t HB_Tag; /* Array of four uint8s (length = 32
+ * bits) used to identify a script,
+ * language system, feature, or
+ * baseline */
+typedef hb_be_uint16_t HB_GlyphID; /* Glyph index number, same as
+ * uint16(length = 16 bits) */
+typedef hb_be_uint16_t HB_Offset; /* Offset to a table, same as uint16
+ * (length = 16 bits), NULL offset =
+ * 0x0000 */
+
+#include <stdio.h>
+
+int
+main (void)
+{
+ HB_Tag x = {{'a', 'b', 'c', 'd'}};
+ HB_ULONG y = x;
+
+ printf ("%d\n", x+0);
+ return 0;
+}
