Availability:C-language interface function
int PL_get_wchars(term_t
t, size_t *len, pl_wchar_t **s, unsigned flags)Wide-character version of PL_get_chars().
The flags argument is the same as for PL_get_chars().
Note that this operation may return a pointer into Prolog's‘buffer
stack’(see section
12.4.14).