result (int) - returns

ULS_BADOBJ

The locale object specified is not valid.
ULS_INVALID
The endptr or ulResult argument contains a pointer value that is not valid. The reliable detection of this error is implementation dependent.
ULS_RANGE
The conversion resulted in an out-of-range condition.
ULS_SUCCESS
The function was successful.
For a full list of error codes and the decimal and hexadecimal values of the error codes, see Error Codes.