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CAN/CSA-ISO/IEC 9899A-97 (R2002)
Amendment 1:1997 to CAN/CSA-ISO/IEC 9899-94 - Programming Languages - C - AMENDMENT 1: C Integrity (Adopted Amendment 1:1995 to ISO/IEC 9899:1990)
SKU: 2410835
Published by CSA Group
Publication Year 1997
Reaffirmed in 2002
51 pages
Withdrawn
Product Details
Scope
This amendment defines extensions to ISO/IEC 9899:1990 that provide a more complete set of multibyte and wide-character utilities, as well as alternative spellings for certain tokens. Use of these features can help promote international portability of C programs.
This amendment specifies extensions that affect various clauses of ISO/IEC 9899:1990:
This amendment defines extensions to ISO/IEC 9899:1990 that provide a more complete set of multibyte and wide-character utilities, as well as alternative spellings for certain tokens. Use of these features can help promote international portability of C programs.
This amendment specifies extensions that affect various clauses of ISO/IEC 9899:1990:
- To the compliance clause (clause 4), the additional header
is provided by both freestanding and hosted implementations. - To the language clause (clause 6), six additional tokens are accepted.
- To the library clause (clause 7), new capabilities are specified for the existing formatted input/output functions (7.9.6).
- To the library clause (clause 7), the additional header < wctype.h> is provided, which defines a macro, several types, a nd many functions, including:
- wide-character testing functions, iswalnum for example;
- extensible wide-character classification functions, wctype and iswctype;
- wide-character case-mapping functions, towlower and towupper;
- extensible wide-character case-mapping functions, wctrans and towctrans. //
- To the library clause (clause 7), the additional header < wchar.h> is provided, which defines several macros, several types, and many functions, including:
- formatted wide-character input/output functions, fwprintf for example;
- wide-character input/output functions, fgetwc for example;
- wide-string numeric conversion functions, wcstod for example;
- wide-string general utility functions, wcscpy for example;
- a wide-string time conversion function, wcsftime;
- restartable multibyte/wide-character conversion functions, mbrtowc for example;
- restartable multibyte/wide-string conversion functions, mbsrtowcs and wcsrtombs.
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