result (int) - returns

UCONV_BADATTR

Incorrect attribute specified.
UCONV_EINVAL
The conversion specified by cpname is not recognized by the implementation. Note, some conversions need to be installed before they can be used.
UCONV_ENOMEM
Insufficient storage space is available.
UCONV_SUCCESS
Conversion object successfully initialized.
For a full list of error codes and the decimal and hexadecimal values of the error codes, see Error Codes.