PATH Mac OS 8 and 9 Developer Documentation > Text and Other International Services > Apple Type Services for Unicode Imaging (ATSUI) > Apple Type Services for Unicode Imaging Reference

     

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Callbacks

• ATSUCustomAllocFunc defines a pointer to a memory allocation callback function. Your callback function manages memory allocation operations typically handled by ATSUI, including which heap to use and how memory allocation should occur.

• ATSUCustomGrowFunc defines a pointer to a memory reallocation callback function. Your callback function manages memory reallocation operations typically handled by ATSUI.

• ATSUCustomFreeFunc defines a pointer to a memory deallocation callback function. Your callback function manages memory deallocation operations typically handled by ATSUI.