Progress
External Program
Interfaces


Using MEMPTR To Reference External Data

The Progress MEMPTR data type provides a means to access (unmarshal and marshal) data that you plan to pass to and from other application and system environments using the following EPIs:

A MEMPTR variable references a region of memory set to a size that you specify. Once you declare and initialize the MEMPTR variable to the specified size, you can read and modify the memory region it references as follows:

Together, these features allow you to store and access data aggregates (structures), including complete Progress database records.

The following sections describe the general capabilities of MEMPTR data, including:

For more information on using MEMPTR for a specific EPI, see:


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