--- cdb.h.orig  1998-06-15
+++ cdb.h       2007-03-21
--- .././qmail-1.03/cdb.h	Mon Jun 15 12:53:16 1998
+++ ../qmail-1.03.2418/cdb.h	Sun Jan 15 16:09:59 2006
@@ -1,12 +1,37 @@
+/* Public domain. */
+
 #ifndef CDB_H
 #define CDB_H
 
 #include "uint32.h"
 
-extern uint32 cdb_hash();
-extern uint32 cdb_unpack();
+#define CDB_HASHSTART 5381
+extern uint32 cdb_hashadd(uint32,unsigned char);
+extern uint32 cdb_hash(char *,unsigned int);
+
+struct cdb {
+  char *map; /* 0 if no map is available */
+  int fd;
+  uint32 size; /* initialized if map is nonzero */
+  uint32 loop; /* number of hash slots searched under this key */
+  uint32 khash; /* initialized if loop is nonzero */
+  uint32 kpos; /* initialized if loop is nonzero */
+  uint32 hpos; /* initialized if loop is nonzero */
+  uint32 hslots; /* initialized if loop is nonzero */
+  uint32 dpos; /* initialized if cdb_findnext() returns 1 */
+  uint32 dlen; /* initialized if cdb_findnext() returns 1 */
+} ;
+
+extern void cdb_free(struct cdb *);
+extern void cdb_init(struct cdb *,int fd);
+
+extern int cdb_read(struct cdb *,char *,unsigned int,uint32);
+
+extern void cdb_findstart(struct cdb *);
+extern int cdb_findnext(struct cdb *,char *,unsigned int);
+extern int cdb_find(struct cdb *,char *,unsigned int);
 
-extern int cdb_bread();
-extern int cdb_seek();
+#define cdb_datapos(c) ((c)->dpos)
+#define cdb_datalen(c) ((c)->dlen)
 
 #endif