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LEADTOOLS MRC C++ Class Library Help > Quick Reference > Data Types > Keywords Used in Declarations

Keywords Used in Declarations

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LEADTOOLS uses the following keywords in declarations of functions, structures, and datatypes:

Keyword	Definition and Usage
EXT_CALLBACK	Defined as _cdecl ; used as an attribute for all toolkit callback functions.
pEXT_CALLBACK	Defined as EXT_CALLBACK *; used as an attribute when defining pointers to toolkit callback functions.