getch.rb « sample « dl « ext « ruby_1_8_6 - ruby.git - The Ruby Programming Language

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path: root/ruby_1_8_6/ext/dl/sample/getch.rb

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require 'dl'

crtdll = DL::dlopen("crtdll")
getch  = crtdll['_getch', 'L']
print(getch.call, "\n")