read-char -- r7rs Definition

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Kind

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procedure;

Implemented by

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• read-char (from vonuvoli);

Procedure signature

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Procedure variants:

• (() -> (character-or-eof))
  • inputs: none;
  • output: a value of type character-or-eof;
• ((textual-input-port-eof) -> (eof-object))
  • input: a value of type textual-input-port-eof;
  • output: a value of type eof-object;
• ((textual-input-port-open) -> (character-or-eof))
  • input: a value of type textual-input-port-open;
  • output: a value of type character-or-eof;

Exports

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• scheme:base -- (scheme base);

Exports recursive

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• scheme -- (scheme);

Description

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(read-char)
(read-char port)

Returns the next character available from the textual input port, updating the port to point to the following character. If no more characters are available, an end-of-file object is returned.

---

The text herein was sourced and adapted as described in the "R7RS attribution of various text snippets" appendix.

Referenced-types

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• character-or-eof;
• textual-input-port-eof;
• eof-object;
• textual-input-port-open;