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Determine whether an integer represents a valid single-byte character in the initial shift state.
Integer to test.
Returns the wide-character representation of the character if the integer represents a valid single-byte character in the initial shift state. Returns WEOF if the integer is EOF or is not a valid single-byte character in the initial shift state. The output of this function is affected by the current LC_TYPE locale.
<stdio.h> or <wchar.h>
Windows 95, Windows 98, Windows 98 Second Edition, Windows Millennium Edition, Windows NT 4.0, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003
For additional compatibility information, see Compatibility in the Introduction.
Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.