The GNU C Library Reference Manual.pdf

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1、TheGNUCLibraryReferenceManualTheGNUCLibraryReferenceManualSandraLoosemorewithRichardM.Stallman,RolandMcGrath,AndrewOram,andUlrichDrepperforversion2.20ThisfiledocumentstheGNUCLibrary.ThisisTheGNUCLibraryReferenceManual,forversion2.20.Copyrightc1993–2014FreeSoftwareFoundation,Inc.Pe

2、rmissionisgrantedtocopy,distributeand/ormodifythisdocumentunderthetermsoftheGNUFreeDocumentationLicense,Version1.3oranylaterversionpublishedbytheFreeSoftwareFoundation;withtheInvariantSectionsbeing“FreeSoftwareNeedsFreeDocumentation”and“GNULesserGeneralPublicLicense”,theFront-Cove

3、rtextsbeing“AGNUManual”,andwiththeBack-CoverTextsasin(a)below.Acopyofthelicenseisincludedinthesectionentitled"GNUFreeDocumentationLicense".(a)TheFSF’sBack-CoverTextis:“YouhavethefreedomtocopyandmodifythisGNUmanual.BuyingcopiesfromtheFSFsupportsitindevelopingGNUandpromotingsoftware

4、freedom.”iShortContents1Introduction:::::::::::::::::::::::::::::::::::::::::12ErrorReporting:::::::::::::::::::::::::::::::::::::223VirtualMemoryAllocationAndPaging::::::::::::::::::394CharacterHandling::::::::::::::::::::::::::::::::::775StringandArrayUtilities::::::::::::::::::

5、::::::::::::876CharacterSetHandling::::::::::::::::::::::::::::::1277LocalesandInternationalization:::::::::::::::::::::::1698MessageTranslation:::::::::::::::::::::::::::::::::1889SearchingandSorting::::::::::::::::::::::::::::::::21210PatternMatching:::::::::::::::::::::::::::::

6、::::::22211Input/OutputOverview::::::::::::::::::::::::::::::24212Input/OutputonStreams::::::::::::::::::::::::::::24713Low-LevelInput/Output:::::::::::::::::::::::::::::32214FileSystemInterface::::::::::::::::::::::::::::::::37615PipesandFIFOs::::::::::::::::::::::::::::::::::::4

7、2216Sockets::::::::::::::::::::::::::::::::::::::::::::42717Low-LevelTerminalInterface::::::::::::::::::::::::::47518Syslog::::::::::::::::::::::::::::::::::::::::::::50219Mathematics:::::::::::::::::::::::::::::::::::::::50920ArithmeticFunctions::::::::::::::::::::::::::::::::557

8、21DateandTime::::::::::::::::::::