ConvertIpv4MaskToLength (Compact 2013)
3/26/2014
This function converts an IPv4 subnet mask to an IPv4 prefix length.
Syntax
NETIO_STATUS WINAPI ConvertIpv4MaskToLength(
__in ULONG Mask,
__out PUINT8 MaskLength
);
Parameters
- Mask
The IPv4 subnet mask.
- MaskLength
A pointer to a UINT8 value to hold the IPv4 prefix length, in bits, when the function returns successfully.
Return Value
On success, ConvertIpv4MaskToLength returns NO_ERROR. Any nonzero return value indicates failure.
Error code |
Meaning |
|---|---|
ERROR_INVALID_PARAMETER |
One of the parameters was invalid. This error is returned if the Mask parameter was invalid. |