WSANtohs

The Windows Sockets WSANtohs function converts a u_short from network byte order to host byte order.

int WSANtohs (

SOCKET s,
u_short netshort,
u_short FAR * lphostshort
);

Parameters

s

[in] A descriptor identifying a socket.

netshort

[in] A 16-bit number in network byte order.

lphostshort

[out] A pointer to a 16-bit number in host byte order.

Remarks

This routine takes a 16-bit number in the network byte order associated with socket s and returns a 16-bit number pointed to by the lphostshort parameter in host byte order.

Return Values

If no error occurs, WSANtohs 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 lphostshort argument is not totally contained in a valid part of the user address space.

See Also

htonl, htons, ntohl, ntohs, WSAHtonl, WSANtohl, WSAHtons

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