use himpp::mpi::ffi; fn main() { unsafe { let e1 = ffi::HI_MPI_SYS_Init(); let e2 = ffi::HI_MPI_SYS_Exit(); println!("HI_MPI_SYS_Init() = {:?}", e1); println!("HI_MPI_SYS_Exit() = {:?}", e2); } }