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during parallelization work of a CFD code with OpenMP we found out that sometimes the software was not running because the OMP_STACKSIZE was not big enough. We told our users to set-up a higher value but we have no possibility to check, if this has been done right... So, a great feature would be if we could get and set the OMP_STACKSIZE using our program, like it is possible to set and get OMP_SCHEDULE (in our case: OMP_GET_STACKSIZE or OMP_SET_STACKSIZE). If it is not possible to set OMP_STACKSIZE, a get function will also be very helpful, thus we could use this results for error-checking or to help the user to get a case running.