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Core Foundation is a framework that provides fundamental software services. Developers can use Core Foundation to build cross-platform applications and can share code and data among frameworks, libraries, and applications. Core Foundation provides abstractions for common data types, facilitates internationalization through Unicode string storage, and offers a suite of utilities.

A guided introduction and learning path for developers new to Core Foundation.   Essential information for developers using the Core Foundation framework.   C API references organized by framework.
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Designing Network-Friendly Applications (HTML)
Learn to make your application management-aware and reliably accessible on a network.
Design Guidelines Articles 2005-10-24
Creating Cross-Platform Applications with Core Foundation and Open Source (HTML)
Learn how to import and export data types across a range of platforms using CF-Lite.
Design Guidelines Articles 2005-04-11
Tiger Develop Overview Series: Working with Spotlight (HTML)
Learn to make the most of Spotlight's powerful search technologies within your own applications.
File Management Articles 2004-10-07
CFNetwork Programming Guide (HTML) (PDF)
Explains how to use Core Foundation networking functions to work with low-level BSD sockets.
Networking Guides 2009-05-06
Internationalization Programming Topics (HTML) (PDF)
Explains how to support multiple languages in software.
Internationalization Guides 2009-01-06
Resource Programming Guide (HTML) (PDF)
Explains how to work with nib and bundle resources in Mac OS X applications.
Resource Management Guides 2009-01-06
Identity Services Programming Guide (HTML) (PDF)
Explains how identities work and how to use them in applications.
Networking Guides 2008-10-15
Locales Programming Guide (HTML) (PDF)
Explains how to use locales to retrieve, interpret, and display localized information in Core Foundation.
Design Guidelines, Internationalization Guides 2008-10-15
Memory Management Programming Guide for Core Foundation (HTML) (PDF)
Explains how to allocate and deallocate objects in Core Foundation.
Resource Management Guides 2008-10-15
XML Programming Topics for Core Foundation (HTML) (PDF)
Explains how to parse XML documents into structured objects.
Data Management, Internet & Web Guides 2008-10-15
Xcode Unit Testing Guide (HTML) (PDF)
Explains how to incorporate test cases to validate individual units of source code.
Design Guidelines Guides 2008-05-02
File System Events Programming Guide (HTML) (PDF)
Explains how applications can detect changes in the file system.
File Management Guides 2008-03-11
Strings Programming Guide for Core Foundation (HTML) (PDF)
Explains how to create, manipulate, and search strings in Core Foundation, and how strings interact with encodings and character sets.
Data Management, Internationalization Guides 2008-03-11
Threading Programming Guide (HTML) (PDF)
Explains how to use threads in Cocoa applications.
Performance, Process Management Guides 2008-02-08
Attributed Strings Programming Guide (HTML) (PDF)
Explains how to use attributed strings, which manage attributes of character strings or individual characters.
Data Management, Text & Fonts Guides 2007-06-04
Dictionary Services Programming Guide (HTML) (PDF)
Explains how to create a dictionary and access it programmatically.
Text & Fonts Guides 2007-05-30
Spotlight Importer Programming Guide (HTML) (PDF)
Describes the role of metadata importers and how to write them.
File Management Guides 2007-05-27
Spotlight Overview (HTML) (PDF)
Introduces the main components and services of Apple's metadata technology.
Design Guidelines Guides 2007-05-27
Data Formatting Guide for Core Foundation (HTML) (PDF)
Explains how to use Core Foundation formatters to create and validate text in text fields and other cells.
Data Management Guides 2006-12-21
Performance Overview (HTML) (PDF)
Introduces the factors that determine performance.
Performance Guides 2006-10-03
Preferences Programming Topics for Core Foundation (HTML) (PDF)
Explains how to manage Core Foundation user preferences.
Data Management Guides 2006-10-03
Memory Usage Performance Guidelines (HTML) (PDF)
Guidelines for improving the performance of memory-related code.
Performance Guides 2006-06-28
Launch Time Performance Guidelines (HTML) (PDF)
Guidelines for improving the launch performance of an application.
Performance Guides 2006-04-04
Spotlight Query Programming Guide (HTML) (PDF)
Describes how to add Spotlight searching to your applications.
File Management Guides 2006-03-08
Property List Programming Topics for Core Foundation (HTML) (PDF)
Explains how to use structured, textual representations of data in Core Foundation.
Data Management Guides 2006-02-07
Binary Data Programming Guide for Core Foundation (HTML) (PDF)
Explains how to create and use Core Foundation data objects, object-oriented wrappers for byte buffers.
Data Management Guides 2006-01-10
Bundle Programming Guide (HTML) (PDF)
Explains how to use Core Foundation bundle objects to organize resources.
Resource Management Guides 2005-11-09
Core Foundation Design Concepts (HTML) (PDF)
Explains the fundamental design concepts that underlie all Core Foundation programming interfaces.
Design Guidelines Guides 2005-08-11
Dates and Times Programming Guide for Core Foundation (HTML) (PDF)
Explains how to manage Core Foundation dates and times.
Data Management, Internationalization Guides 2005-08-11
Code Speed Performance Guidelines (HTML) (PDF)
Guidelines for improving the performance and efficiency of code.
Performance Guides 2005-07-07
File-System Performance Guidelines (HTML) (PDF)
Guidelines for improving the performance of file-related code.
Performance Guides 2005-07-07
Plug-ins (HTML) (PDF)
Explains how to use the plug-in architecture provided by Core Foundation.
Process Management Guides 2005-03-03
Collections Programming Topics for Core Foundation (HTML) (PDF)
Explains how to group objects in arrays, sets, or dictionaries in Core Foundation.
Data Management Guides 2003-08-07
Debugging Programming Topics for Core Foundation (HTML) (PDF)
Tips and techniques for debugging Core Foundation code.
Performance Guides 2003-01-17
CFAttributedString Reference (HTML) (PDF)
Describes an immutable character string and its associated attributes.
Data Management, Text & Fonts Reference 2009-05-06
CFMutableAttributedString Reference (HTML) (PDF)
Describes a mutable character string and associated set of attributes.
Data Management, Text & Fonts Reference 2009-05-06
CFCalendar Reference (HTML) (PDF)
Describes a calendar.
Internationalization Reference 2009-02-04
CFURL Reference (HTML) (PDF)
Describes a string that uniquely identifies a resource.
General Reference 2009-02-04
CFStringTokenizer Reference (HTML) (PDF)
Describes an opaque type for breaking a string into tokens.
Data Management, Internationalization, Text & Fonts Reference 2009-01-06
Web Services Core Framework Reference (HTML)
Describes the client-side APIs for accessing web services.
Internet & Web Reference 2009-01-06
CFMutableString Reference (HTML) (PDF)
Describes a mutable character string.
General Reference 2008-10-15
CFNetwork Error Codes Reference (HTML) (PDF)
Describes error codes used by the CFNetwork API.
Networking Reference 2008-10-15
CFSocket Reference (HTML) (PDF)
Describes a network communications channel.
General Reference 2008-10-15
CFString Reference (HTML) (PDF)
Describes an immutable character string.
General Reference 2008-10-15
CFTimeZone Reference (HTML) (PDF)
Describes a representation of a time zone.
General Reference 2008-10-15
CFXMLParser Reference (HTML) (PDF)
Describes an object for finding and extracting data in XML documents.
General Reference 2008-10-15
CFXMLTree Reference (HTML) (PDF)
Describes an XML document as a tree structure.
General Reference 2008-10-15
CFNetwork Reference Collection (HTML) (PDF)
Describes the C APIs for performing a variety network tasks.
Networking Reference 2008-07-15
CFFTPStream Reference (HTML) (PDF)
Describes the C API for communicating with FTP servers.
Networking Reference 2008-07-11
CFHost Reference (HTML) (PDF)
Describes the C API for acquiring host information.
Networking Reference 2008-07-11
CFHTTPMessage Reference (HTML) (PDF)
Describes the C API for creating, sending, receiving and manipulating HTTP messages.
Networking Reference 2008-07-11
CFNetDiagnostics Reference (HTML) (PDF)
Describes the C API for diagnosing and fixing network related problems.
Networking Reference 2008-07-11
CFHTTPStream Reference (HTML) (PDF)
Describes the interface for working with HTTP connections.
Networking Reference 2008-07-08
CFNetServices Reference (HTML) (PDF)
Describes the C API for implementing Bonjour functionality in an application.
Networking Reference 2008-07-08
CFStream Socket Additions (HTML) (PDF)
Describes the C API for using streams with sockets.
Networking Reference 2008-07-08
CFProxySupport Reference (HTML) (PDF)
Describes the CFProxySupport API, which provides functions for managing network proxy information.
Networking Reference 2008-07-07
CFMachPort Reference (HTML) (PDF)
Describes a wrapper for a native mach port.
General Reference 2008-04-08
Core Services Identity Reference (HTML)
Describes the C API for creating, maintaining and finding users and groups.
Networking Reference 2008-04-08
FSEvents Reference (HTML)
Describes the API used to provide lightweight notification of directory changes in a file-system subtree.
File Management Reference 2008-04-08
JavaScriptCore Framework Reference (HTML)
Describes the API for evaluating JavaScript programs from within a C-based program
Internet & Web Reference 2008-04-08
CFDictionary Reference (HTML) (PDF)
Describes an immutable collection of key-value pairs.
General Reference 2007-10-31
Core Foundation Framework Reference (HTML) (PDF)
Describes the Core Foundation API.
General Reference 2007-10-31
Preferences Utilities Reference (HTML) (PDF)
Describes Core Foundation preferences functions.
General Reference 2007-10-31
CFBundle Reference (HTML) (PDF)
Describes a representation of a resource directory hierarchy.
General Reference 2007-10-18
Time Utilities Reference (HTML) (PDF)
Describes Core Foundation time functions.
General Reference 2007-08-23
CFType Reference (HTML) (PDF)
Describes the Core Foundation base type.
General Reference 2007-07-12
Dictionary Services Reference (HTML) (PDF)
Describes the Objective-C and C routines that support programmatic access to dictionaries.
Text & Fonts Reference 2007-05-29
CFDateFormatter Reference (HTML) (PDF)
Describes a date and time formatter.
General Reference 2007-05-23
CFFileDescriptor Reference (HTML) (PDF)
Describes an object for monitoring file descriptors for read and write activity.
File Management Reference 2007-05-23
CFLocale Reference (HTML) (PDF)
Describes a representation of a locale.
General Reference 2007-05-23
CFNumberFormatter Reference (HTML) (PDF)
Describes a number formatter.
General Reference 2007-05-23
CFArray Reference (HTML) (PDF)
Describes an immutable ordered collection.
General Reference 2007-05-22
CFBag Reference (HTML) (PDF)
Describes an immutable unordered collection that may contain duplicate values.
General Reference 2007-05-22
Spotlight Metadata Attributes Reference (HTML) (PDF)
Describes metadata attributes used with Spotlight.
File Management Reference 2007-05-22
CFHTTPAuthentication Reference (HTML) (PDF)
Describes the C API for applying authentication credentials to HTTP messages.
Networking Reference 2007-05-15
Identity Services Reference Collection (HTML) (PDF)
Describes the APIs for using identities and the Identity Picker.
Networking Reference 2007-05-14
CFReadStream Reference (HTML) (PDF)
Describes an interface for reading a byte stream.
General Reference 2007-05-03
CFStream Reference (HTML) (PDF)
Describes the interface for creating streams.
Networking Reference 2007-05-03
CFWriteStream Reference (HTML) (PDF)
Describes an interface for writing a byte stream.
General Reference 2007-05-03
NSHost Class Reference (HTML) (PDF)
Describes a representation of a network host.
Networking Reference 2007-03-24
CFMessagePort Reference (HTML) (PDF)
Describes a communications channel that can locally transmit data between threads or processes.
General Reference 2007-03-20
CFMutableData Reference (HTML) (PDF)
Describes a mutable byte buffer.
General Reference 2007-03-07
CFNotificationCenter Reference (HTML) (PDF)
Describes an object that sends notifications to registered observers.
General Reference 2007-01-22
Core Foundation URL Access Utilities Reference (HTML) (PDF)
Describes Core Foundation URL access functions.
General Reference 2007-01-19
Base Utilities Reference (HTML) (PDF)
Describes basic Core Foundation functions.
General Reference 2007-01-15
CFUUID Reference (HTML) (PDF)
Describes a unique identifier.
General Reference 2007-01-15
CFAllocator Reference (HTML) (PDF)
Describes an object for managing memory allocation.
General Reference 2006-12-08
CFRunLoop Reference (HTML) (PDF)
Describes an object that manages input sources for a task.
General Reference 2006-12-08
CFCharacterSet Reference (HTML) (PDF)
Describes an immutable character string.
General Reference 2006-12-01
CFNumber Reference (HTML) (PDF)
Describes a number.
General Reference 2006-12-01
Socket Name Server Utilities Reference (HTML) (PDF)
Describes a representation of a native network socket; does nothing in Mac OS X.
General Reference 2006-10-27
CFError Reference (HTML) (PDF)
Describes a representation of a runtime error.
Events & Other Input Reference 2006-07-12
Byte-Order Utilities Reference (HTML) (PDF)
Describes Core Foundation byte-order functions.
Data Management Reference 2006-05-23
CFData Reference (HTML) (PDF)
Describes an immutable byte buffer.
General Reference 2006-02-07
CFMutableBitVector Reference (HTML) (PDF)
Describes a mutable ordered collection containing bit values.
General Reference 2006-02-07
CFPlugIn Reference (HTML) (PDF)
Describes a plug-in.
General Reference 2006-02-07
CFPropertyList Reference (HTML) (PDF)
Describes a runtime representation of a property list.
General Reference 2006-02-07
CFRunLoopObserver Reference (HTML) (PDF)
Describes a means to receive callbacks at specific points during a run loop's execution.
General Reference 2006-02-07
CFRunLoopSource Reference (HTML) (PDF)
Describes the source for a run loop.
General Reference 2006-02-07
CFRunLoopTimer Reference (HTML) (PDF)
Describes a timer associated with a run loop.
General Reference 2006-02-07
CFUserNotification Reference (HTML) (PDF)
Describes a notification.
General Reference 2006-02-07
CFXMLNode Reference (HTML) (PDF)
Describes the opaque type for representing an individual XML construct.
General Reference 2006-02-07
CFBinaryHeap Reference (HTML) (PDF)
Describes a collection sorted using a binary search algorithm.
General Reference 2006-01-10
CFBitVector Reference (HTML) (PDF)
Describes an immutable ordered collection containing bit values.
General Reference 2005-12-06
CFBoolean Reference (HTML) (PDF)
Describes a Boolean value.
General Reference 2005-12-06
CFDate Reference (HTML) (PDF)
Describes a date and time.
General Reference 2005-12-06
CFMutableArray Reference (HTML) (PDF)
Describes an immutable ordered collection.
General Reference 2005-12-06
CFMutableBag Reference (HTML) (PDF)
Describes a mutable unordered collection that may contain duplicate values.
General Reference 2005-12-06
CFMutableCharacterSet Reference (HTML) (PDF)
Describes a mutable set of Unicode characters.
General Reference 2005-12-06
CFMutableDictionary Reference (HTML) (PDF)
Describes a mutable collection of key-value pairs.
General Reference 2005-12-06
CFMutableSet Reference (HTML) (PDF)
Describes a mutable unordered collection of distinct values.
General Reference 2005-12-06
CFNull Reference (HTML) (PDF)
Describes an object that represents null.
General Reference 2005-12-06
CFPlugInInstance Reference (HTML) (PDF)
Describes a deprecated technology replaced by the CFPlugin opaque type.
General Reference 2005-12-06
CFSet Reference (HTML) (PDF)
Describes an immutable unordered collection of distinct values.
General Reference 2005-12-06
CFTree Reference (HTML) (PDF)
Describes a tree structure.
General Reference 2005-12-06
CFNetwork Framework Release Notes (HTML)
Networking Release Notes 2007-10-31
CoreFoundation Framework Release Notes (HTML)
Design Guidelines, Performance Release Notes 2007-10-31
Core Foundation Reference Update (HTML) (PDF)
Summarizes the symbols added to the Core Foundation framework.
General Release Notes 2007-07-18
FSMegaInfo (HTML) (DMG) (ZIP)
Prints information about various file system objects; helpful when debugging VFS plug-ins.
File Management Sample Code 2008-02-25
CFProxySupportTool (HTML) (DMG) (ZIP)
Shows how to use the CFProxySupport APIs to decide whether a network connection should pass through a proxy.
Networking Sample Code 2007-10-29
CoreTextArc (HTML) (DMG) (ZIP)
Illustrates the use of fonts, lines, and runs in a CoreText text drawing Carbon application.
Text & Fonts Sample Code 2007-06-04
CoreTextTest (HTML) (DMG) (ZIP)
Shows how to handle the CoreText objects to display text.
Text & Fonts Sample Code 2006-12-19
CFFTPSample (HTML) (DMG) (ZIP)
A simple example showing how to use CFFTPStream to download and upload files.
Networking Sample Code 2006-10-13
CFPrefTopScores (HTML) (DMG) (ZIP)
How to access globally shared (writable) user preferences without requiring authentication.
Data Management, Design Guidelines, File Management, Resource Management Sample Code 2006-10-09
RecentItems (HTML) (DMG) (ZIP)
Implements "Recent items" menu(s)
Data Management Sample Code 2006-10-09
Watcher (HTML) (DMG) (ZIP)
Uses FSEvents to monitor a directory hierarchy to keep track of its total size
Events & Other Input, File Management Sample Code 2006-08-04
IdentitySample (HTML) (DMG) (ZIP)
IdentitySample builds a utility which demonstrates how to use the CoreServices Identity API to manage system-wide identities
Data Management Sample Code 2006-07-27
CheckExecutableArchitecture (HTML) (DMG) (ZIP)
Determine whether a particular Mach-O executable contains a version suitable for executing on a given processor architecture.
File Management, Resource Management Sample Code 2006-02-07
CFNetworkHTTPDownload (HTML) (DMG) (ZIP)
Demonstrates how to download a URL using CFNetworking.
Networking Sample Code 2006-01-18
filesystem_examples (HTML) (DMG) (ZIP)
Collection of command line tools illustrating filesystem features.
File Management Sample Code 2006-01-10
EventMonitorTest (HTML) (DMG) (ZIP)
Receive notification of all keyboard, mouse, and tablet events passed to other processes.
Events & Other Input Sample Code 2005-11-09
FileNotification (HTML) (DMG) (ZIP)
kqueue file notification introduced in 10.3. Notification API to detect file system modifications.
File Management Sample Code 2005-10-27
DisplayURL (HTML) (DMG) (ZIP)
Parses a passed in path URL into its various components displaying server information.
File Management Sample Code 2005-10-04
PasteboardPeeker (HTML) (DMG) (ZIP)
Using pasteboards for Copy and Paste, Drag and Drop, service support and filter services.
Text & Fonts Sample Code 2005-08-10
CFLocalServer (HTML) (DMG) (ZIP)
Uses UNIX domain sockets to communicate between client and server programs on the same machine.
Networking, Process Management Sample Code 2005-07-26
SimpleDial (HTML) (DMG) (ZIP)
Demonstrates management of dialup connections, such as PPP, using System Configuration framework network connection API.
Networking Sample Code 2005-07-26
SimpleReach (HTML) (DMG) (ZIP)
Demonstrates network host reachability testing using the System Configuration framework asynchronous network reachability API.
Networking Sample Code 2005-07-26
DNSServiceMetaQuery (HTML) (DMG) (ZIP)
Shows how to discover Bonjour service types being advertised on the local network.
Networking Sample Code 2005-06-01
ImageClient (HTML) (DMG) (ZIP)
Demonstrates how to use CFNetwork for synchronous and asynchronous operations, network diagnostics, proxy navigation, and authentication.
Networking Sample Code 2005-06-01
ManagedObjectDataFormatter (HTML) (DMG) (ZIP)
A Data Formatter for Xcode 2.0 and 2.1 that displays NSManagedObject * variables.
Data Management Sample Code 2005-06-01
Spotlight (HTML) (DMG) (ZIP)
Sample code that shows how to write Spotlight Importers.
File Management Sample Code 2005-06-01
CFHostSample (HTML) (DMG) (ZIP)
Uses the CFHost API to do DNS hostname lookups and to determine host reachability.
Networking Sample Code 2004-04-20
FSCopyObject (HTML) (DMG) (ZIP)
Copy engine for copying files and directories.
File Management Sample Code 2004-03-19
MapLargeFile (HTML) (DMG) (ZIP)
Shows a technique for mapping files greater than 4GB into memory for faster access.
Resource Management Sample Code 2003-11-19
InkSample (HTML) (DMG) (ZIP)
Demonstrates some usage scenarios for the Ink.Framework APIs.
Text & Fonts Sample Code 2003-10-27
MoreIsBetter (HTML) (DMG) (ZIP)
Library providing indispensable wrapers and workarounds for many areas of Mac OS programming.
Data Management, File Management, Networking, Resource Management Sample Code 2003-10-27
BSDLLCTest (HTML) (DMG) (ZIP)
Program sample demonstrates how to send and receive raw LLC Ethernet packets.
Events & Other Input, Networking Sample Code 2003-06-12
LocalServer (HTML) (DMG) (ZIP)
Deprecated - Sample demonstrates how a Classic process can communicate with a Mac OS X process using IP networking protocols.
Networking Sample Code 2003-01-30
CFPreferences (HTML) (DMG) (ZIP)
Shows how to use the CFPreferences APIs to access user preferences.
Data Management, Design Guidelines, Resource Management Sample Code 2003-01-14
CFPrefsDumper (HTML) (DMG) (ZIP)
Shows how to use the CFPreferences APIs to access information about the current user preferences.
Data Management, Design Guidelines, Resource Management Sample Code 2003-01-14
NamingTableAccess (HTML) (DMG) (ZIP)
Digs out the contents of the NamingTable in a TrueType 'sfnt'.
Text & Fonts Sample Code 2003-01-14
Observing Process Lifetimes Without Polling (HTML)
TN2050: Shows a variety of methods to observe process lifetimes without polling.
Process Management Technical Notes 2008-09-10
Daemons and Agents (HTML)
TN2083: Describes the most common problems encountered with daemons and agents, and suggests detailed solutions.
Process Management Technical Notes 2007-11-05
Using Secure Event Input Fairly (HTML)
TN2150: Describes the proper use of EnableSecureEventInput.
Events & Other Input Technical Notes 2007-06-08
Frequently Asked Text Services Manager (TSM) Questions (HTML)
TN2128: Regroups a collection of Text Services Manager (TSM) questions frequently asked by Input Method Developers
Events & Other Input, Text & Fonts Technical Notes 2005-06-24
The Preferences Problem (HTML) (日本語 HTML)
Deprecated - TN1134: Outlines typical problems with preferences files and some of their solutions.
Resource Management Technical Notes 1998-10-01
Core Animation properties and Reference Counting (HTML)
QA1565: Describes a discrepancy between the property declarations in Core Animation and the actual behavior.
Resource Management Technical Q&As 2008-11-24
Programmatically causing restart, shutdown and/or logout (HTML) (日本語 HTML)
QA1134: Describes how to programmatically cause restart, shutdown, sleep or logout.
Events & Other Input, Process Management, Resource Management Technical Q&As 2008-09-24
Disabling Processor Cores on a Multi-Core System (HTML) (日本語 HTML)
QA1141: Describes how to disable processor cores on a multi-core system for testing purposes.
Performance Technical Q&As 2008-09-16
Expanding Tilde-based paths (HTML)
QA1549: Demonstrates how to resolve tilde-based relevant paths.
File Management Technical Q&As 2008-09-08
Registering and unregistering for sleep and wake notifications (HTML)
QA1340: Explains how applications can register and unregister for sleep and wake notifications on Mac OS X.
Resource Management Technical Q&As 2008-08-08
Getting a Packet Trace (HTML) (日本語 HTML)
QA1176: Lists tools available for looking at the network packets on the wire.
Internet & Web, Networking Technical Q&As 2008-06-03
Bonjour Printer Subtype for HTTP (HTML)
QA1555: Describes how printer vendors can register their bonjour service such that Safari can see them.
Networking Technical Q&As 2008-03-25
Advertising a Bonjour service on a specific set of networking interfaces. (HTML)
QA1513: Explains how to register a Bonjour service only on a specific set of networking interfaces.
Networking Technical Q&As 2007-02-12
How can I identify the runtime environment, Carbon or Cocoa, of the current application? (HTML)
QA1372: Identifies the runtime environment of the application. Useful only for plugins, frameworks, input methods, etc.
Process Management Technical Q&As 2006-11-07
Programmatically Performing an Open Directory Search (HTML)
QA1462: A short guide on how to programmatically search Open Directory for matching attribute values within records.
Data Management Technical Q&As 2006-09-11
Problems getting Bonjour TXT record information (HTML)
QA1389: Explains why you might have problems retrieving TXT record information from a CFNetServiceRef or NSNetService.
Networking Technical Q&As 2005-07-06
Using language-tagged QuickTime UserData text APIs with CFStrings (HTML)
QA1410: Describes how to use language-tagged QuickTime UserData text APIs with CFStrings and TextEncodings.
Text & Fonts Technical Q&As 2005-02-11
CFBundleIdentifier and user application access (HTML)
QA1373: Describes the role of CFBundleIdentifier in limiting a user's application access.
Design Guidelines Technical Q&As 2005-02-08
Resolves may return an IPv6 address in Panther (HTML)
QA1298: Explains why you get an IP address of 0.0.0.0 when resolving a Bonjour service.
Networking Technical Q&As 2005-01-10
Bonjour enforces the TXT record format in Panther (HTML)
QA1306: Explains how mDNSResponder enforces the proper TXT record format in Panther.
Networking Technical Q&As 2004-07-14
Updating the TXT record of a Bonjour service (HTML)
QA1302: Explains how to update a Bonjour TXT record while running on either Jaguar or Panther.
Networking Technical Q&As 2004-07-14
Discovering all advertised Bonjour service types (HTML)
QA1337: Explains how to discover all Bonjour service types being advertised on the local network.
Networking Technical Q&As 2004-06-01
Downloading through a proxy server in Mac OS X (HTML)
QA1296: Explains when downloading through a proxy server will work, and when it will fail.
Networking Technical Q&As 2003-10-29
URL Access vs. CFNetwork (HTML)
QA1291: Explains when to choose URL Access or CFNetwork when downloading files from within your application.
Networking Technical Q&As 2003-10-29
CFXML to CFPropertyListRef (and back!) (HTML) (日本語 HTML)
QA1208: Describes to how save and restore a CFPropertyListRef to and from an XML file.
Data Management, Events & Other Input, Resource Management, Text & Fonts Technical Q&As 2003-08-29
Internet Connect Speed (HTML) (日本語 HTML)
QA1165: Describes how to get the modem connection speed from the System Configuration framework dynamic store.
Networking Technical Q&As 2003-03-26
Accessing HTTPS Proxy Settings (HTML) (日本語 HTML)
QA1234: Describes how to programatically access Secure Web Proxy information.
Networking Technical Q&As 2003-02-19
Converting to Precomposed Unicode (HTML) (日本語 HTML)
QA1235: Describes how to convert a string to precomposed Unicode.
Text & Fonts Technical Q&As 2003-02-07
Power Management; Policy Maker vs. Power Controller (HTML) (日本語 HTML)
QA1121: Describes the differences between a Power Management Policy Maker and a Power Management Power Controller.
Events & Other Input, Process Management Technical Q&As 2002-02-13
Getting the User and Computer Name (HTML)
QA1078: Describes how to get the user and computer name on Mac OS X.
Networking Technical Q&As 2001-10-30
Setting environment variables for user processes (HTML)
QA1067: Tells how to set environment variables for user processes.
Data Management, Design Guidelines, Process Management, Resource Management Technical Q&As 2001-10-25
HID Manager Event Data Underruns (HTML)
QA1038: Explains how to correctly handle HID Manager event queue data underruns.
Process Management Technical Q&As 2001-06-13
The "chosen" node in the device tree (HTML)
HW88: Describes how to find the "chosen" node in the Open firmware device tree.
Networking Technical Q&As 2000-09-05
OTScheduleDeferredTask When Task Running (HTML) (日本語 HTML)
NW52: Describes what happens when you use OTScheduleDefferedTask to schedule a task that is running.
Process Management, Resource Management Technical Q&As 1997-10-13
Changing the TCP Window Size (HTML)
NW47: Describes how to change the TCP window size in Open Transport.
Networking, Performance Technical Q&As 1997-03-14
T_DATA_REQ vs M_DATA TPI Message Blocks (HTML) (日本語 HTML)
NW42: Explains why OT passes data to a TPI module using M_DATA message blocks instead of M_PROTO+T_DATA_REQ.
Networking Technical Q&As 1996-10-25