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bigdecimal.so cgi continuation.so coverage.so date_core.so dbm.so digest digest.so enc etc.so fcntl.so fiber.so fiddle.so gdbm.so io json nkf.so objspace.so openssl.so pathname.so psych.so pty.so racc rbconfig rbconfig.rb readline.so ripper.so sdbm.so socket.so stringio.so strscan.so syslog.so vendor_ruby zlib.so