SysStringByteLen function (oleauto.h)

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Returns the length (in bytes) of a BSTR.

Syntax

UINT SysStringByteLen(
  [in, optional] BSTR bstr
);

Parameters

[in, optional] bstr

A previously allocated string.

Return value

The number of bytes in bstr, not including the terminating null character. If bstr is null the return value is zero.

Remarks

The returned value may be different from strlen(bstr) if the BSTR contains embedded null characters. This function always returns the number of bytes specified in the len parameter of the SysAllocStringByteLen function used to allocate the BSTR.

Requirements

Requirement Value
Target Platform Windows
Header oleauto.h
Library OleAut32.lib
DLL OleAut32.dll

See also

String Manipulation Functions