Function sgx_urts::socket::u_recvfrom_ocall

#[no_mangle]
pub extern "C" fn u_recvfrom_ocall(
    error: *mut c_int, 
    sockfd: c_int, 
    buf: *mut c_void, 
    len: size_t, 
    flags: c_int, 
    src_addr: *mut sockaddr, 
    addrlen_in: socklen_t, 
    addrlen_out: *mut socklen_t
) -> ssize_t