FONT* arial15b_unicode_font="Arial#15b";
TEXT* txt_unicode_helper = { strings = 1; font = arial15b_unicode_font; }

#

txt_loadw(txt_unicode_helper ,"unicode_helper.txt");

str_cpy(myString,(txt_unicode_helper .pstring)[0]); //copy the unicode char '#' in the string to make it unicode
str_cat(myString,... //do with your string whatever you want
str_clip(myString,1);//remove the helper unicode char

short *convert_ASCII_to_utf16(const char *string)
{
	size_t length = strlen(string);
	short *utf16 = malloc(length + 1 * sizeof(short));

	short *temp = utf16;
	while(*string)
		*temp ++ = *string ++;

	*temp ++ = 0; // 0 Terminate the string
	return utf16;
}

STRING *str_createw_from_ASCII(const char *cstring)
{
	short *wstring = convert_ASCII_to_utf16(cstring);
	STRING *string = str_createw(wstring);
	free(wstring);

	return string;
}

var file=file_open_write("unicodeFile.txt");
	
//add unicode encoding
file_asc_write(file,255); 
file_asc_write(file,254);
	
//writing unicode strings works with file_str_write
file_str_write(file,myUnicodeString);
	
file_close(file);