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Technical Notes: Legacy Technologies
As Darwin evolves, the APIs and technologies it encompasses change to meet the needs of users and developers. As part of this evolution, less efficient features, interfaces, and programming techniques are deprecated or retired in favor of newer ones. Apple makes these changes only when deemed absolutely necessary. A technology identified in the ADC Reference Library as deprecated has been superseded and may become unsupported in the future. A technology identified as unsupported is no longer available from Apple for use by developers. Legacy documents help developers understand legacy technologies, identify replacements, and update their products to run on current Apple platforms.
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_PBClose the Barn Door (HTML) (PDF)
DV13.
 Unsupported 1990-06-01
CD-ROM Driver Calls (HTML) (PDF)
DV22: Discusses public interface to Apple CD-ROM driver and supersedes information in AppleCD SC Developer's Guide.
 Deprecated 2000-08-14
Forcing Floppy Disk Size to be Either 400K or 800K (HTML) (PDF)
DV07.
 Unsupported 1986-02-01
Pascal to C: PROCEDURE Parameters (HTML) (PDF)
PT31: Nested procedures and PROCEDURE parameters in Pascal when converting them into C or C++.
 Deprecated 1990-02-01
Sony Driver: What Your Sony Drives For You (HTML) (PDF)
DV17.
 Unsupported 1990-04-01