Returns a WIDECHAR string that is UTF-16 equivalent of its UTF-8 argument
UTF8TOWCHAR(x)
x is an expression that represents a UTF-8 string that is converted to a character string.
The UTF8TOWCHAR function returns the WIDECHAR UTF-16 equivalent of the UTF-8 argument x. If x contains invalid UTF-8 characters, the ERROR condition is raised.
     dcl u8    char(12) var;
     dcl wc    widechar(12) var;
     u8 = utf8('Hello World.');
     wc = utf8towchar(u8);
     put skip list('wc hex=', hex(wc));
     put skip list(utf8(wc));
               		produces the result:
        wc hex= 000C00480065006C006C006F00200057006F0072006C0064002E
        Hello World.
               	 None.