Using ADABAS with C/C++

Are there APIs or some helper tool to call ADABAS from C/C++ programs? I just started to develop on mainframe and I write in C/C++. I was asked to develop a piece of code that needs update an ADABAS table.
Please let me know about references, samples and other resources, if available.

within the mainframe documentation you will find nothing about C/C++. But in the documentation for “OpenSystems” is a description how to use adabas from C:

You have to check the calling-conventions. as an example you can use this: