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--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Provides a mechanism for issuing low-level commands to control or query I/O devices. Arguments and results are platform dependent. If <em>arg</em> is a number, its value is passed directly. If it is a string, it is interpreted as a binary sequence of bytes. On Unix platforms, see <tt>ioctl(2)</tt> for details. Not implemented on all platforms.
full_name: IO#ioctl
is_singleton: false
name: ioctl
params: |
  ios.ioctl(integer_cmd, arg)    => integer

visibility: public