The EntireX documentation contains the following C-related topics:
EntireX C Wrapper provides access to RPC-based components from C
applications. It enables you to develop both client and server applications.
More info
EntireX Broker ACI Programming from the perspective of progamming language C.
A header file with the ACI control block definition is provided. More info
The RPC-ACI Bridge enables RPC-based client applications to
be used with ACI servers. More info
See also EntireX Workbench.