Windows UDP sockets: recvfrom() fails with error 10054

https://stackoverflow.com/questions/34242622/windows-udp-sockets-recvfrom-fails-with-error-10054

#include <Winsock2.h>
#include <Mstcpip.h>
#include <stdio.h>

#pragma comment(lib, "ws2_32.lib")
#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR, 12)

BOOL bNewBehavior = FALSE;
DWORD dwBytesReturned = ;
WSAIoctl(iSock, SIO_UDP_CONNRESET, &bNewBehavior, sizeof bNewBehavior, NULL, , &dwBytesReturned, NULL, NULL);