TP312C Programming languages——C (注：C99标准)

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1、ProgramminglanguagesCABSTRACT(CoversheettobeprovidedbyISOSecretariat.)ThisInternationalStandardspeciÞestheformandestablishestheinterpretationofprogramsexpressedintheprogramminglanguageC.Itspurposeistopromoteportability,reliability,maintainability,andefÞcientexecutio

2、nofClanguageprogramsonavarietyofcomputingsystems.ClausesareincludedthatdetailtheClanguageitselfandthecontentsoftheClanguageexecutionlibrary.Annexessummarizeaspectsofbothofthem,andenumeratefactorsthatinßuencetheportabilityofCprograms.AlthoughthisInternationalStandard

3、isintendedtoguideknowledgeableClanguageprogrammersaswellasimplementorsofClanguagetranslationsystems,thedocumentitselfisnotdesignedtoserveasatutorial.ContentsForeword............................1Introduction...........................41.Scope.........................

4、....52.Normativereferences.......................63.TermsanddeÞnitions.......................64.Conformance..........................95.Environment...........................115.1Conceptualmodels......................115.1.1Translationenvironment................115.

5、1.2Executionenvironments................135.2Environmentalconsiderations.................195.2.1Charactersets....................195.2.2Characterdisplaysemantics...............215.2.3Signalsandinterrupts.................225.2.4Environmentallimits.................226

6、.Language............................316.1Notation..........................316.2Concepts..........................316.2.1ScopesofidentiÞers..................316.2.2LinkagesofidentiÞers.................326.2.3NamespacesofidentiÞers...............336.2.4Storagedurati

7、onsofobjects...............346.2.5Types.......................356.2.6Representationsoftypes................396.2.7Compatibletypeandcompositetype...........416.3Conversions........................436.3.1Arithmeticoperands..................436.3.2Otheroperands........

8、............476.4Lexicalelements.......................506.4.1Keywords......................516.4.2IdentiÞers......................526.4.3