result (int) - returns

ULS_INVALID

A locale specification string or token that is not valid was passed; the locale object pointer points to undefined data.
ULS_NOMEMORY
There is insufficient memory to create the requested locale or the default locale; the locale object pointer points to undefined data.
ULS_SUCCESS
The specified locale is supported and a valid locale object was created.
ULS_UNSUPPORTED
The specified locale is not supported; the locale object pointer points to undefined data.
For a full list of error codes and the decimal and hexadecimal values of the error codes, see Error Codes.