extralite.h in extralite-1.20

- old
+ new

@@ -23,10 +23,11 @@
 extern VALUE cPreparedStatement;
 
 extern VALUE cError;
 extern VALUE cSQLError;
 extern VALUE cBusyError;
+extern VALUE cInterruptError;
 
 extern ID ID_KEYS;
 extern ID ID_NEW;
 extern ID ID_STRIP;
 extern ID ID_TO_S;
@@ -46,9 +47,15 @@
   VALUE self;
   sqlite3 *sqlite3_db;
   sqlite3_stmt *stmt;
   VALUE params;
 } query_ctx;
+
+typedef struct {
+  VALUE dst;
+  VALUE src;
+  sqlite3_backup *p;
+} backup_t;
 
 VALUE safe_query_ary(query_ctx *ctx);
 VALUE safe_query_hash(query_ctx *ctx);
 VALUE safe_query_single_column(query_ctx *ctx);
 VALUE safe_query_single_row(query_ctx *ctx);
\ No newline at end of file