wistombs
extern int wistombs(char *, const wint_t *, int);
(void) wistombs((char *) s, fld_buffer, fld_maxlength+1);
extern int wistombs(char *, const wint_t *, int);
(void) wistombs((char *) s, fld_buffer, fld_maxlength-1);