pub unsafe extern "C" fn PMPI_Get_count(
status: *const MPI_Status,
datatype: MPI_Datatype,
count: *mut c_int,
) -> c_int
pub unsafe extern "C" fn PMPI_Get_count(
status: *const MPI_Status,
datatype: MPI_Datatype,
count: *mut c_int,
) -> c_int