— Function: bell& bell::from_char (char c);

This function interprets the character c as a bell, and assigns that value to the bell object. See the next function for the mapping between characters and bells. If the character does not represent a valid bell, then an exception of the class bell::invalid is thrown; if you have disabled exceptions, the bell is set to the value bell::MAX_BELLS. The function returns *this.

— Function: char bell::to_char (void) const;

This function returns a character indicating the bell represented by the object. The characters used are, in order:

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