Function PMPI_Win_allocate_shared

pub unsafe extern "C" fn PMPI_Win_allocate_shared(
    size: MPI_Aint,
    disp_unit: c_int,
    info: MPI_Info,
    comm: MPI_Comm,
    baseptr: *mut c_void,
    win: *mut MPI_Win,
) -> c_int