constants 13 ompi/mpiext/example/mpif-h/mpiext_example_mpifh.h ! declare any subroutines here. Only declare global constants/variables. constants 16 ompi/mpiext/example/use-mpi-f08/mpiext_example_usempif08.h ! Declare any interfaces, subroutines, and global variables/constants constants 16 ompi/mpiext/example/use-mpi/mpiext_example_usempi.h ! Declare any interfaces, subroutines, and global variables/constants constants 19 ompi/mpiext/pcollreq/use-mpi-f08/mpiext_pcollreq_usempif08.h ! Declare any interfaces, subroutines, and global variables/constants constants 19 ompi/mpiext/pcollreq/use-mpi/mpiext_pcollreq_usempi.h ! Declare any interfaces, subroutines, and global variables/constants