Same as the standard UNIX routine iconv_close, but may be implemented via libiconv on UNIX flavors that lack a native
implementation.
Should be called to clean up the conversion descriptor from open when you are done converting things.
GLib provides convert and locale_to_utf8 which are likely more convenient than the raw iconv wrappers.
| this |
a conversion descriptor from open |
|
-1 on error, 0 on success |