Initializing help system before first use

Input and output

Display an error message.
Close the current input, output or error stream.
Copy a file.
Check if the current input stream is at the end of the file.
Flush the current output stream.
Get the stream number of the current input, output or stream.
Retrieve information about current input, output or error stream.
Read a text string from the current input stream.
Move (rename) a file.
Open a file and select it as the current input/output/error stream.
Read a block of data from the current input stream.
Remove (delete) a file.
Select a stream to be the current input, output or error stream.
Get the size of a file.
Skip a block of data from the current input stream.
Write a block of data to the current output stream.
Get the data currently held in an IO buffer.
Send a message to the current output stream.
Set an error message for an IO driver operation.

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