+#define FcCacheDir(c) FcOffsetMember(c,dir,FcChar8)
+#define FcCacheDirs(c) FcOffsetMember(c,dirs,intptr_t)
+#define FcCacheSet(c) FcOffsetMember(c,set,FcFontSet)
+#define FcCacheSubdir(c,i) FcOffsetToPtr (FcCacheDirs(c),\
+ FcCacheDirs(c)[i], \
+ FcChar8)
+
+/*
+ * Used while constructing a directory cache object
+ */
+
+#define FC_SERIALIZE_HASH_SIZE 8191
+
+typedef struct _FcSerializeBucket {
+ struct _FcSerializeBucket *next;
+ const void *object;
+ intptr_t offset;
+} FcSerializeBucket;
+
+typedef struct _FcCharSetFreezer FcCharSetFreezer;
+
+typedef struct _FcSerialize {
+ intptr_t size;
+ FcCharSetFreezer *cs_freezer;
+ void *linear;
+ FcSerializeBucket *buckets[FC_SERIALIZE_HASH_SIZE];
+} FcSerialize;
+
+/*
+ * To map adobe glyph names to unicode values, a precomputed hash
+ * table is used
+ */
+
+typedef struct _FcGlyphName {
+ FcChar32 ucs; /* unicode value */
+ FcChar8 name[1]; /* name extends beyond struct */
+} FcGlyphName;
+
+/*
+ * To perform case-insensitive string comparisons, a table
+ * is used which holds three different kinds of folding data.
+ *
+ * The first is a range of upper case values mapping to a range
+ * of their lower case equivalents. Within each range, the offset
+ * between upper and lower case is constant.
+ *
+ * The second is a range of upper case values which are interleaved
+ * with their lower case equivalents.
+ *
+ * The third is a set of raw unicode values mapping to a list
+ * of unicode values for comparison purposes. This allows conversion
+ * of ß to "ss" so that SS, ss and ß all match. A separate array
+ * holds the list of unicode values for each entry.
+ *
+ * These are packed into a single table. Using a binary search,
+ * the appropriate entry can be located.
+ */
+
+#define FC_CASE_FOLD_RANGE 0
+#define FC_CASE_FOLD_EVEN_ODD 1
+#define FC_CASE_FOLD_FULL 2
+
+typedef struct _FcCaseFold {
+ FcChar32 upper;
+ FcChar16 method : 2;
+ FcChar16 count : 14;
+ short offset; /* lower - upper for RANGE, table id for FULL */
+} FcCaseFold;
+
+#define FC_MAX_FILE_LEN 4096
+
+/* XXX remove these when we're ready */
+
+#define fc_value_string(v) FcValueString(v)
+#define fc_value_charset(v) FcValueCharSet(v)
+#define fc_value_langset(v) FcValueLangSet(v)
+#define fc_storage_type(v) ((v)->type)
+
+#define fc_alignof(type) offsetof (struct { char c; type member; }, member)
+
+#define FC_CACHE_MAGIC_MMAP 0xFC02FC04
+#define FC_CACHE_MAGIC_ALLOC 0xFC02FC05
+#define FC_CACHE_CONTENT_VERSION 1
+