WSANtohl
The Windows Sockets
WSANtohl function converts a
u_long from network byte order to host byte order.
int WSANtohl (
SOCKET s,
|
|
u_long netlong,
|
|
u_long FAR * lphostlong
|
|
);
|
|
Parameters
s
[in] A descriptor identifying a socket.
netlong
[in] A 32-bit number in network byte order.
lphostlong
[out] A pointer to a 32-bit number in host byte order.
Remarks
This routine takes a 32-bit number in the network byte order associated with
socket
s and returns a 32-bit number pointed to by the
lphostlong parameter in host byte order.
Return Values
If no error occurs,
WSANtohl returns zero. Otherwise, a value of SOCKET_ERROR is returned, and a specific
error code may be retrieved by calling
WSAGetLastError.
Error Codes
WSANOTINITIALISED
| A successful WSAStartup must occur before using this function.
|
WSAENETDOWN
| The network subsystem has failed.
|
WSAENOTSOCK
| The descriptor is not a socket.
|
WSAEFAULT
| The lphostlong argument is not totally contained in a valid part of the user address space.
|
See Also
htonl,
htons,
ntohl,
ntohs,
WSAHtonl,
WSAHtons,
WSANtohs
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