/*send the packet*/
send_result = sendto(s, buffer, ETH_FRAME_LEN, 0, 
	      (struct sockaddr*)&socket_address, sizeof(socket_address));
if (send_result == -1) { errorhandling... }

Example 1.6. Receive a RAW ethernet frame

void* buffer = (void*)malloc(ETH_FRAME_LEN); /*Buffer for ethernet frame*/
int length = 0; /*length of the received frame*/ 
...
length = recvfrom(s, buffer, ETH_FRAME_LEN, 0, NULL, NULL);
if (length == -1) { errorhandling .... }