option nodynamic
#Win32API
bigfloat
#curses
dbm
digest
digest/md5
digest/rmd160
digest/sha1
digest/sha2
#etc
fcntl
#gdbm
#iconv
nkf
#pty
#readline
#sdbm
#socket
stringio
strscan
#syslog
#tcltklib
#tk