Add the sqlite3_os_routine_set()/get() functions. (CVS 2818)

FossilOrigin-Name: c1ed79f594fb85009c2e9e5e281cbe66a9d2fa17
diff --git a/src/sqlite.h.in b/src/sqlite.h.in
index 8c9e95a..27551e5 100644
--- a/src/sqlite.h.in
+++ b/src/sqlite.h.in
@@ -12,7 +12,7 @@
 ** This header file defines the interface that the SQLite library
 ** presents to client programs.
 **
-** @(#) $Id: sqlite.h.in,v 1.144 2005/12/12 06:53:05 danielk1977 Exp $
+** @(#) $Id: sqlite.h.in,v 1.145 2005/12/15 10:11:32 danielk1977 Exp $
 */
 #ifndef _SQLITE3_H_
 #define _SQLITE3_H_
@@ -1291,6 +1291,10 @@
 */
 void sqlite3_soft_heap_limit(int);
 
+
+int sqlite3_set_io_routine(int, void *);
+void *sqlite3_get_io_routine(int);
+
 /*
 ** Undo the hack that converts floating point types to integer for
 ** builds on processors without floating point support.