Function capsule_ffi::rte_extmem_register

pub unsafe extern "C" fn rte_extmem_register(
    va_addr: *mut c_void, 
    len: size_t, 
    iova_addrs: *mut rte_iova_t, 
    n_pages: c_uint, 
    page_sz: size_t
) -> c_int