diff --git a/ext/rbu/sqlite3rbu.h b/ext/rbu/sqlite3rbu.h
index e55fe4685d..2f038fd8fd 100644
--- a/ext/rbu/sqlite3rbu.h
+++ b/ext/rbu/sqlite3rbu.h
@@ -308,7 +308,7 @@ typedef struct sqlite3rbu sqlite3rbu;
 ** not work out of the box with zipvfs. Refer to the comment describing
 ** the zipvfs_create_vfs() API below for details on using RBU with zipvfs.
 */
-sqlite3rbu *sqlite3rbu_open(
+SQLITE_API sqlite3rbu *sqlite3rbu_open(
   const char *zTarget, 
   const char *zRbu,
   const char *zState
@@ -347,7 +347,7 @@ sqlite3rbu *sqlite3rbu_open(
 ** a description of the complications associated with using RBU with 
 ** zipvfs databases.
 */
-sqlite3rbu *sqlite3rbu_vacuum(
+SQLITE_API sqlite3rbu *sqlite3rbu_vacuum(
   const char *zTarget, 
   const char *zState
 );
@@ -383,7 +383,7 @@ sqlite3rbu *sqlite3rbu_vacuum(
 ** Database handles returned by this function remain valid until the next
 ** call to any sqlite3rbu_xxx() function other than sqlite3rbu_db().
 */
-sqlite3 *sqlite3rbu_db(sqlite3rbu*, int bRbu);
+SQLITE_API sqlite3 *sqlite3rbu_db(sqlite3rbu*, int bRbu);
 
 /*
 ** Do some work towards applying the RBU update to the target db. 
@@ -397,7 +397,7 @@ sqlite3 *sqlite3rbu_db(sqlite3rbu*, int bRbu);
 ** SQLITE_OK, all subsequent calls on the same RBU handle are no-ops
 ** that immediately return the same value.
 */
-int sqlite3rbu_step(sqlite3rbu *pRbu);
+SQLITE_API int sqlite3rbu_step(sqlite3rbu *pRbu);
 
 /*
 ** Force RBU to save its state to disk.
@@ -409,7 +409,7 @@ int sqlite3rbu_step(sqlite3rbu *pRbu);
 **
 ** SQLITE_OK is returned if successful, or an SQLite error code otherwise.
 */
-int sqlite3rbu_savestate(sqlite3rbu *pRbu);
+SQLITE_API int sqlite3rbu_savestate(sqlite3rbu *pRbu);
 
 /*
 ** Close an RBU handle. 
@@ -429,14 +429,14 @@ int sqlite3rbu_savestate(sqlite3rbu *pRbu);
 ** update has been partially applied, or SQLITE_DONE if it has been 
 ** completely applied.
 */
-int sqlite3rbu_close(sqlite3rbu *pRbu, char **pzErrmsg);
+SQLITE_API int sqlite3rbu_close(sqlite3rbu *pRbu, char **pzErrmsg);
 
 /*
 ** Return the total number of key-value operations (inserts, deletes or 
 ** updates) that have been performed on the target database since the
 ** current RBU update was started.
 */
-sqlite3_int64 sqlite3rbu_progress(sqlite3rbu *pRbu);
+SQLITE_API sqlite3_int64 sqlite3rbu_progress(sqlite3rbu *pRbu);
 
 /*
 ** Obtain permyriadage (permyriadage is to 10000 as percentage is to 100) 
@@ -478,7 +478,7 @@ sqlite3_int64 sqlite3rbu_progress(sqlite3rbu *pRbu);
 ** table exists but is not correctly populated, the value of the *pnOne
 ** output variable during stage 1 is undefined.
 */
-void sqlite3rbu_bp_progress(sqlite3rbu *pRbu, int *pnOne, int *pnTwo);
+SQLITE_API void sqlite3rbu_bp_progress(sqlite3rbu *pRbu, int *pnOne, int*pnTwo);
 
 /*
 ** Obtain an indication as to the current stage of an RBU update or vacuum.
@@ -516,7 +516,7 @@ void sqlite3rbu_bp_progress(sqlite3rbu *pRbu, int *pnOne, int *pnTwo);
 #define SQLITE_RBU_STATE_DONE       4
 #define SQLITE_RBU_STATE_ERROR      5
 
-int sqlite3rbu_state(sqlite3rbu *pRbu);
+SQLITE_API int sqlite3rbu_state(sqlite3rbu *pRbu);
 
 /*
 ** Create an RBU VFS named zName that accesses the underlying file-system
@@ -560,7 +560,7 @@ int sqlite3rbu_state(sqlite3rbu *pRbu);
 ** file-system via "rbu" all the time, even if it only uses RBU functionality 
 ** occasionally.
 */
-int sqlite3rbu_create_vfs(const char *zName, const char *zParent);
+SQLITE_API int sqlite3rbu_create_vfs(const char *zName, const char *zParent);
 
 /*
 ** Deregister and destroy an RBU vfs created by an earlier call to
@@ -570,7 +570,7 @@ int sqlite3rbu_create_vfs(const char *zName, const char *zParent);
 ** before all database handles that use it have been closed, the results
 ** are undefined.
 */
-void sqlite3rbu_destroy_vfs(const char *zName);
+SQLITE_API void sqlite3rbu_destroy_vfs(const char *zName);
 
 #ifdef __cplusplus
 }  /* end of the 'extern "C"' block */
diff --git a/manifest b/manifest
index 7c79e33eb9..0e51044290 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\ssome\sproblems\sin\sRBU\stest\scases.\sAlso\supdate\sRBU\ssource\scode\sto\sbetter\nhandle\sthe\strivial\scase\swhere\san\sRBU\supdate\sis\sapplied\sto\sa\sdatabase\szero\npages\sin\ssize.
-D 2017-08-03T15:43:55.425
+C Add\sSQLITE_API\squalifiers\sto\spublic\sAPI\sfunctions\sin\sheader\sfile\ssqlite3rbu.h.
+D 2017-08-03T15:50:10.483
 F Makefile.in d9873c9925917cca9990ee24be17eb9613a668012c85a343aef7e5536ae266e8
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 02b469e9dcd5b7ee63fc1fb05babc174260ee4cfa4e0ef2e48c3c6801567a016
@@ -318,7 +318,7 @@ F ext/rbu/rbusave.test 0f43b6686084f426ddd040b878426452fd2c2f48
 F ext/rbu/rbuvacuum.test ff357e9b556ca7ad4673da0ff7f244def919ff858e0f9f350d3e30fdd83a62a8
 F ext/rbu/rbuvacuum2.test 2074ab14fe66e1c7e7210c62562650dcd215bbaa
 F ext/rbu/sqlite3rbu.c 920941a6ff7dbbea0970717c43662878fda5c37e43752de329f0fdd76680ab75
-F ext/rbu/sqlite3rbu.h fc25e1fcd99b5c6d32b1b5b1c73122632e873ac89bd0be9bf646db362b7ce02c
+F ext/rbu/sqlite3rbu.h 82c102e5ae41025e3b245d3d5944315f82811da85e2cd363a75caa97cbd0cd3e
 F ext/rbu/test_rbu.c ec18cfc69a104309df23c359e3c80306c9a6bdd1d2c53c8b70ae158e9832dcd6
 F ext/rtree/README 6315c0d73ebf0ec40dedb5aa0e942bc8b54e3761
 F ext/rtree/rtree.c 4f1804b80ae06ddf7ff69192aacdceee283646dc6a328acb951f116147445212
@@ -1640,7 +1640,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 654935c7737f1a9e08fde9b220c543e86ff6e05910e2f08973a2f93ab2b3e028
-R 6c59535d4227be5c37e4b8d6380e9436
+P 7676b39bc120ae23da0c6a14452eb99a58901ee45c3d43b8beae426f9e4dc0c3
+R f5e70735ad4d3e8c4157fb574788df7d
 U dan
-Z e7e622931a024e16c08994823e2aa148
+Z 2dec7f5d3b8e5fc73ccd605255779b6d
diff --git a/manifest.uuid b/manifest.uuid
index 89c81c9e18..c303296ecd 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-7676b39bc120ae23da0c6a14452eb99a58901ee45c3d43b8beae426f9e4dc0c3
\ No newline at end of file
+d8637badf63b90b650e9d6dc970c7e1ce46669ce8272f46f01fac9bd97c1b0fc
\ No newline at end of file