《《c语言英文词典》课件》由会员分享，可在线阅读，更多相关《《c语言英文词典》课件（42页珍藏版）》请在金锄头文库上搜索。
1、PPTcoursewareforClanguageEnglishdictionaryIntroductiontoCLanguageBasicGrammarofCLanguageAdvancedknowledgeofClanguageCommonLibraryFunctionsinCLanguageCprogrammingstandardsandtechnologiesCaseanalysisofClanguagecontents目录01IntroductiontoCLanguage TheDevelopmentHistoryofCLanguageCLanguagewasfirstdevelop
2、edin1972byDennisRitchieatBellLabsItwasdesignedtobeasystemprogramminglanguagefortheUnixoperatingsystemOvertheyears,CLanguagehasbecomeoneofthemostpopularprogramminglanguagesintheworldPerformanceCLanguageisknownforitsperformance,allowingdeveloperstowriteeffectivecodethatrunsclosetothehardwarePortabilit
3、yCLanguageishighlyportable,meaningthatprogramswritteninCcanbecompiledandrunondifferentplatformswithminimalchangesFlexibilityCLanguageprovidesarichsetofcontrolstructuresthatallowdeveloperstowriteeffectiveandmaintainablecodesSystemProgrammingCLanguageiswidelyusedforsystemprogramming,includingoperating
4、systems,devicedrivers,andembeddedsystemsThecharacteristicsandadvantagesofClanguageTheapplicationfieldsofClanguageOperatingSystemsManyoperatingsystems,includingLinuxandmacOS,arewritteninCSystemProgrammingCLanguageisusedforsystemprogrammingtaskssuchasdevicedrivers,networkprogramming,andsystemutilities
5、GamesDevelopmentCLanguageisoftenusedforgamedevelopmentduetoitsperformanceandlowlevelaccesstothehardwareEmbeddedSystemsCLanguageiswidelyusedinembeddedsystemsdevelopment,includingmicrocontrollersandindustrialcontrolsystems02BasicGrammarofCLanguageSummary:DescribethebasicdatatypesinClanguage,includingi
6、nteger,floatingpoint,character,andvoidDetailsInteger:Usedtostorewholenumbers,includingbothpositiveandnegativenumbersCommontypesincludeint,short,long,andlonglongFloatingpoint:UsedtostoredecimalnumbersCommontypesincludefloatanddoubleCharacter:UsedtostoresinglecharactersThetypeischarVoid:Representative
7、sanundefinedtype,commonlyusedasareturntypeforfunctionsthatdonotreturnavalueDatatypeSummary:DiscussthevariousoperatorsavailableinClanguage,includingarithmetic,relational,logical,bitwise,andsizeofoperatorsOperatorDetailsArithmeticoperators:+,-,*,/,%(retain)Relatedoperators:=,!=,=OperatorBitwiseoperato
8、rs&,|,SizeofoperatorUsedtodeterminethesizeofadatatypeorobjectinbytesLogicaloperators&,|,(not)OperatorSummary:ExplainthecontrolstructuresavailableinClanguage,includingifelse,switchcase,while,dowhile,andforloopsControlstructureDetailsIfelse:UsedtoperformdifferentactionsbasedonconditionsSwitchcase:Used
9、toperformdifferentactionsbasedonthevalueofavariableControlstructureDowhileloopRepeatablockofcodeatleastonceandcontinueuntilaspecifiedconditionisfalseWhileloopRepeatsablockofcodeuntilaspecifiedconditionisfalseForloopRepeatsablockofcodeaspecificnumberoftimesoruntilaconditionisfalseControlstructureSumm
10、ary:DiscusstheconceptoffunctionsinClanguage,includingfunctiondeclaration,definition,andcallingDetailsFunctiondeclaration:Specifythename,returntype,andparametersofafunctionFunctiondefinition:ProvidestheactualcodetobeexecutedwhenthefunctioniscalledFunctioncalling:Invokesthefunctionandpassesvaluestoits
11、parameters0102030405Function03AdvancedknowledgeofClanguageUnderstandingtheconceptofpointersandhowtheyareusedinClanguageUnderstandingthememoryallocationanddeallocationinCPointerandmemorymanagementMemorymanagementPointerUnderstandingtheconceptofstructures and how to defineandusetheminCStructureUnderst
12、andingtheconceptofunionsandhowtodefineandusetheminCUnionStructuresandConsortiaUnderstandingtheconceptoffileinput/outputoperationsinCFileI/OLearninghowtoopen,read,write,andclosefilesinCFilemanipulationFileoperationMemoryallocationUnderstandingtheconceptofdynamicmemoryallocationinCMemorydeallocationUn
13、derstandingtheconceptofmemorydeallocationinCDynamicmemoryallocation04CommonLibraryFunctionsinCLanguagePrintf()01ThisfunctionisusedtoprintformattedoutputontheconsoleItisastandardfunctionintheClanguageandispartofthestandardlibraryScanf()02ThisfunctionisusedtoreadinputfromtheuserontheconsoleItisastanda
14、rdfunctionintheClanguageandispartofthestandardlibraryExit()03ThisfunctionisusedtoterminatetheprogramItisastandardfunctionintheClanguageandispartofthestandardlibraryStandardLibraryFunctionsSin()ThisfunctionisusedtocalculatethesineofagivenangleItisamathematicalfunctionintheClanguageandispartofthemathe
15、maticallibraryCos()ThisfunctionisusedtocalculatethecosineofagivenangleItisamathematicalfunctionintheClanguageandispartofthemathematicallibraryTan()ThisfunctionisusedtocalculatethetangentofagivenangleItisamathematicalfunctionintheClanguageandispartofthemathematicallibraryMathematicalLibraryFunctionsT
16、hisfunctionisusedtofindthelengthofagivenstringItisastringfunctionintheClanguageandispartofthestringlibraryStrlen()ThisfunctionisusedtocopyonestringtoanotherstringItisastringfunctionintheClanguageandispartofthestringlibraryStrcpy()ThisfunctionisusedtoconcatenatetwostringsItisastringfunctionintheClanguageandispartofthestringlibraryStrcat()StringLibraryFunctionsTime():ThisfunctionisusedtogetthecurrenttimeItisatimefunctionintheClanguageandispartofthetimelibraryTimeLibraryFunction05Cprogrammingstanda
