Function PMPI_Send_init

pub unsafe extern "C" fn PMPI_Send_init(
    buf: *const c_void,
    count: i32,
    datatype: *mut ompi_datatype_t,
    dest: i32,
    tag: i32,
    comm: *mut ompi_communicator_t,
    request: *mut *mut ompi_request_t,
) -> i32