Anteckning
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The NdisFreeString function releases storage that was allocated by NdisInitializeString for a buffered string.
Syntax
void NdisFreeString(
[in] String
);
Parameters
[in] String
An NDIS_STRING type value that describes the string to free. For Windows 2000 and later, NDIS defines the NDIS_STRING type as a UNICODE_STRING type.
Return value
None
Remarks
An NDIS driver typically calls the NdisInitializeString function during initialization--for example, to set up names passed to the NdisXxxConfiguration functions. For each call that the driver makes to NdisInitializeString, the driver must make a corresponding call to NdisFreeString. When releasing string buffers that were allocated during initialization, a driver must call NdisFreeString before the driver's initialization function returns control.
NdisFreeString must be used only for freeing buffers that were allocated with NdisInitializeString.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Supported for existing drivers in NDIS 6.0 and later, but new drivers should use RtlFreeAnsiString or RtlFreeUnicodeString instead. |
| Target Platform | Desktop |
| Header | ndis.h (include Ndis.h) |
| IRQL | PASSIVE_LEVEL |
| DDI compliance rules | Irql_Miscellaneous_Function(ndis) |