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| <h3 class="section">4.4 Characters</h3> |
| |
| <ul> |
| <li><cite>The number of bits in a byte (C90 3.4, C99 3.6).</cite> |
| |
| <p>Determined by ABI. |
| |
| <li><cite>The values of the members of the execution character set (C90 |
| and C99 5.2.1).</cite> |
| |
| <p>Determined by ABI. |
| |
| <li><cite>The unique value of the member of the execution character set produced |
| for each of the standard alphabetic escape sequences (C90 and C99 5.2.2).</cite> |
| |
| <p>Determined by ABI. |
| |
| <li><cite>The value of a </cite><code>char</code><cite> object into which has been stored any |
| character other than a member of the basic execution character set |
| (C90 6.1.2.5, C99 6.2.5).</cite> |
| |
| <p>Determined by ABI. |
| |
| <li><cite>Which of </cite><code>signed char</code><cite> or </cite><code>unsigned char</code><cite> has the same |
| range, representation, and behavior as “plain” </cite><code>char</code><cite> (C90 |
| 6.1.2.5, C90 6.2.1.1, C99 6.2.5, C99 6.3.1.1).</cite> |
| |
| <p><a name="index-fsigned_002dchar-2172"></a><a name="index-funsigned_002dchar-2173"></a>Determined by ABI. The options <samp><span class="option">-funsigned-char</span></samp> and |
| <samp><span class="option">-fsigned-char</span></samp> change the default. See <a href="C-Dialect-Options.html#C-Dialect-Options">Options Controlling C Dialect</a>. |
| |
| <li><cite>The mapping of members of the source character set (in character |
| constants and string literals) to members of the execution character |
| set (C90 6.1.3.4, C99 6.4.4.4, C90 and C99 5.1.1.2).</cite> |
| |
| <p>Determined by ABI. |
| |
| <li><cite>The value of an integer character constant containing more than one |
| character or containing a character or escape sequence that does not map |
| to a single-byte execution character (C90 6.1.3.4, C99 6.4.4.4).</cite> |
| |
| <p>See <a href="../cpp/Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a>. |
| |
| <li><cite>The value of a wide character constant containing more than one |
| multibyte character, or containing a multibyte character or escape |
| sequence not represented in the extended execution character set (C90 |
| 6.1.3.4, C99 6.4.4.4).</cite> |
| |
| <p>See <a href="../cpp/Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a>. |
| |
| <li><cite>The current locale used to convert a wide character constant consisting |
| of a single multibyte character that maps to a member of the extended |
| execution character set into a corresponding wide character code (C90 |
| 6.1.3.4, C99 6.4.4.4).</cite> |
| |
| <p>See <a href="../cpp/Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a>. |
| |
| <li><cite>The current locale used to convert a wide string literal into |
| corresponding wide character codes (C90 6.1.4, C99 6.4.5).</cite> |
| |
| <p>See <a href="../cpp/Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a>. |
| |
| <li><cite>The value of a string literal containing a multibyte character or escape |
| sequence not represented in the execution character set (C90 6.1.4, C99 6.4.5).</cite> |
| |
| <p>See <a href="../cpp/Implementation_002ddefined-behavior.html#Implementation_002ddefined-behavior">Implementation-defined behavior</a>. |
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