Page 199 - C-Language

• The alignment of non-bitfield members of structures and unions (6.7.2.1/14).

• The underlying type for each enumerated type (6.7.2.2/4).

• What constitutes an "access" to an object of volatile-qualifed type (6.7.3/7).

• The effectiveness of inline function declarations (6.7.4/6).

Preprocessor

• Whether character constants are converted to integer values the same way in preprocessor
conditionals as in ordinary expressions, and whether a single-character constant may have a
negative value (6.10.1/4).

• The locations searched for files designated in an #include directive (6.10.2/2-3).

• The manner in which a header name is formed from the tokens of a multi-token #include
directive (6.10.2/4).

• The limit for #include nesting (6.10.2/6).

• Whether a \ character is inserted before the \ introducing a universal character name in the
result of the preprocessor's # operator (6.10.3.2/2).

• The behavior of the #pragma preprocessing directive for pragmas other than STDC (6.10.6/1).

• The value of the __DATE__ and __TIME__ macros if no translation date or time, respectively, is
available (6.10.8.1/1).

• The internal character encoding used for wchar_t if macro __STDC_ISO_10646__ is not defined (
6.10.8.2/1).

• The internal character encoding used for char32_t if macro __STDC_UTF_32__ is not defined (
6.10.8.2/1).

Standard Library

General

• The format of the messages emitted when assertions fail (7.2.1.1/2).

Floating-point environment functions

• Any additional floating-point exceptions beyond those defined by the standard (7.6/6).

• Any additional floating-point rounding modes beyond those defined by the standard (7.6/8).

• Any additional floating-point environments beyond those defined by the standard (7.6/10).

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