mpi_issend 58 ompi/mpi/fortran/mpif-h/issend_f.c mpi_issend, mpi_issend 306 ompi/mpi/fortran/mpif-h/prototypes_mpi.h PN2(void, MPI_Issend, mpi_issend, MPI_ISSEND, (char *buf, MPI_Fint *count, MPI_Fint *datatype, MPI_Fint *dest, MPI_Fint *tag, MPI_Fint *comm, MPI_Fint *request, MPI_Fint *ierr));