start to integrate pager

source/libs/tdb/CMakeLists.txt

@@ -23,6 +23,7 @@ target_sources(tdb_sqlite
     PRIVATE
     "src/sqlite/pcache.c"
     "src/sqlite/pcache1.c"
+    "src/sqlite/pager.c"
 )
 target_include_directories(tdb_sqlite PUBLIC "src/sqliteinc")
 

source/libs/tdb/src/sqliteinc/sqliteInt.h

@@ -43,9 +43,7 @@ typedef struct sqlite3_pcache_page {
 
 #define ROUND8(x) (((x) + 7) & ~7)
 
-typedef u32 Pgno;
-
-typedef struct Pager Pager;
+#include "pager.h"
 
 #include "pcache.h"