#ifdef _WIN32

#define EWOULDBLOCK	WSAEWOULDBLOCK
#define EMSGSIZE	WSAEMSGSIZE
#define ECONNRESET	WSAECONNRESET
#define ECONNABORTED	WSAECONNABORTED
#define ECONNREFUSED	WSAECONNREFUSED
#define EADDRNOTAVAIL	WSAEADDRNOTAVAIL
#define EAFNOSUPPORT	WSAEAFNOSUPPORT

#ifdef IPPROTO_IPV6
#include <ws2tcpip.h>
#endif
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <arpa/inet.h>
#include <errno.h>

#include <unistd.h>

#ifdef sun
#include <sys/filio.h>
#endif

#ifdef NeXT
#include <libc.h>
#endif

#if defined(__MORPHOS__) && !defined(ixemul)
#define closesocket CloseSocket
#define ioctlsocket IoctlSocket
#else
#define closesocket close
#define ioctlsocket ioctl
#endif

#endif

#if defined(_WIN32)
#define qerrno WSAGetLastError()
#elif defined(__MORPHOS__) && !defined(ixemul)
#define qerrno Errno()
#else
#define qerrno errno
#endif


#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif