pub unsafe extern "C" fn PMPI_Comm_compare(
comm1: *mut ompi_communicator_t,
comm2: *mut ompi_communicator_t,
result: *mut i32,
) -> i32
pub unsafe extern "C" fn PMPI_Comm_compare(
comm1: *mut ompi_communicator_t,
comm2: *mut ompi_communicator_t,
result: *mut i32,
) -> i32