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Important: This document is part of the Legacy section of the ADC Reference Library. This information should not be used for new development.

Current information on this Reference Library topic can be found here:

NOTE: This Technical Q&A has been retired. Please see the Technical Q&As page for current documentation.

Header Conditions

Q: I found the following lines in the file "QD3d.h". 

#if defined(ESCHER_VAR_15) && ESCHER_VAR_15".

These conditions were surround some #define's and typedef's that I want to use in my application. Does it mean that these #define's and typedef's are invalid before version 1.5?

A: This is correct, these features will not be available prior to the 1.5 release of the API.

[Apr 08 1996]