#option nodynamic
#Win32API
#bigdecimal
#dbm
#digest
#digest/md5
#digest/rmd160
#digest/sha1
#digest/sha2
#etc
#fcntl
#gdbm
#io/wait
#nkf
#openssl
#pty
#racc/cparse
#readline
#ripper
#sdbm
#socket
#stringio
#strscan
#syslog
#tk
#win32ole
#zlib