nExtend          79190 ext/sqlite3/libsqlite/sqlite3.c   i64 nExtend,                    /* Attempt to extend file to this size */
nExtend          79203 ext/sqlite3/libsqlite/sqlite3.c     if( nExtend>0 ){
nExtend          79204 ext/sqlite3/libsqlite/sqlite3.c       vdbeSorterExtendFile(db, *ppFd, nExtend);