WSAHtonl (Windows CE 5.0)
This function converts a u_long from host byte order to network byte order.
int WSAHtonl(SOCKET s,u_long hostlong,u_long FAR* lpnetlong);
Parameters
- s
[in] Descriptor identifying a socket. - hostlong
[in] 32-bit number in host byte order. - lpnetlong
[out] Pointer to a 32-bit number in network byte order.
Return Values
If no error occurs, this function returns zero. If an error occurs, a value of SOCKET_ERROR is returned, and a specific error code can be retrieved by calling the WSAGetLastError function. The following table shows a list of possible error codes.
Error code | Description |
---|---|
WSANOTINITIALISED | A successful WSAStartup call must occur before using this function. |
WSAENETDOWN | The network subsystem has failed. |
WSAENOTSOCK | The descriptor is not a socket. |
WSAEFAULT | The lpnetlong parameter is not completely contained in a valid part of the user address space. |
Remarks
This function takes a 32-bit number in host byte order and returns a 32-bit number pointed to by the lpnetlong parameter in the network byte order associated with socket s.
Requirements
OS Versions: Windows CE .NET 4.0 and later.
Header: Winsock2.h.
Link Library: Ws2.lib.
See Also
htonl | htons | ntohl | ntohs | WSANtohl | WSAHtons | WSANtohs | WSAGetLastError | WSAStartup
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