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_ismbbalpha, _ismbbalpha_l

Determines whether a specified multibyte character is alpha.

Important note Important

This API cannot be used in applications that execute in the Windows Runtime. For more information, see CRT functions not supported with /ZW.

int _ismbbalpha(
   unsigned int c 
int _ismbbalpha_l(
   unsigned int c 


Integer to be tested.


Locale to use.

_ismbbalpha returns a nonzero value if the expression:

isalpha || _ismbbkalnum

is nonzero for c, or 0 if it is not. _ismbbalpha uses the current locale for any locale-dependent character settings. _ismbbalpha_l is identical except that it uses the locale passed in.


Required header





For more compatibility information, see Compatibility.


All versions of the C run-time libraries.

Not applicable. To call the standard C function, use PInvoke. For more information, see Platform Invoke Examples.