detach_IO/0

Documentation
- Reference manual
- Packages
  - SWI-Prolog C-library
    - library(unix): Unix specific operations
      - fork/1
      - fork_exec/1
      - exec/1
      - wait/2
      - kill/2
      - pipe/2
      - dup/2
      - detach_IO/1
      - detach_IO/0
      - prctl/1
      - sysconf/1

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The I/O streams user_input, user_output and user_error are closed if they are connected to a terminal (see tty property in stream_property/2). Input streams are rebound to a dummy stream that returns EOF. Output streams are reboud to forward their output to Stream.