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C Character Constants

  • Articolo

A "character constant" is formed by enclosing a single character from the representable character set within single quotation marks (' '). Character constants are used to represent characters in the execution character set.

Syntax

  • character-constant:
    'c-char-sequence'

    L'c-char-sequence'

  • c-char-sequence:
    c-char

    c-char-sequence c-char

  • c-char:
    Any member of the source character set except the single quotation mark ('), backslash (\), or newline character

    escape-sequence

  • escape-sequence:
    simple-escape-sequence

    octal-escape-sequence

    hexadecimal-escape-sequence

  • simple-escape-sequence: one of
    \a \b \f \n \r \t \v

    \' \" \\ \?

  • octal-escape-sequence:
    \ octal-digit

    \ octal-digit octal-digit

    \ octal-digit octal-digit octal-digit

  • hexadecimal-escape-sequence:
    \x hexadecimal-digit

    hexadecimal-escape-sequence hexadecimal-digit

See Also

Reference

C Constants