.. Copyright 1988-2022 Free Software Foundation, Inc. This is part of the GCC manual. For copying conditions, see the copyright.rst file. .. _omp_get_initial_device: omp_get_initial_device -- Return device number of initial device **************************************************************** Description: This function returns a device number that represents the host device. For OpenMP 5.1, this must be equal to the value returned by the ``omp_get_num_devices`` function. C/C++: .. list-table:: * - *Prototype*: - ``int omp_get_initial_device(void);`` Fortran: .. list-table:: * - *Interface*: - ``integer function omp_get_initial_device()`` See also: :ref:`omp_get_num_devices` Reference: :openmp:`4.5`, Section 3.2.35.