The “C Routines Reference” chapter in the EAServer API Reference Manual documents several dozen method calls that can be executed by C and C++ components within EAServer. Because PowerBuilder itself is written in C++, you can also execute these methods by declaring local external functions within the PowerBuilder custom class user objects that you ultimately deploy to EAServer as components.

A majority of these methods would not actually be used directly by your PowerBuilder component code, but instead have already been incorporated at a lower level within the PowerBuilder VM implementation provided by Sybase. The EAServer 4 version of the API reference manual divides these calls into distinct groups with varying levels of applicability ...

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