Convert a string from a 32-bit fixed width representation as UCS-4.
to UTF-8.
The result will be terminated with a nul byte.
Parameters
str: string
a UCS-4 encoded string
Returns [string,number,number]
a pointer to a newly allocated UTF-8 string. This value must be freed with GLib.free. If an error occurs, items_read will be set to the position of the first invalid input character.
Convert a string from a 32-bit fixed width representation as UCS-4. to UTF-8.
The result will be terminated with a nul byte.