kbd_get_fkeystr
cp = kbd_get_fkeystr(kbd, KEYCHAR(c), &len);
kbd_get_fkeystr_t kbd_get_fkeystr;
p = kbd_get_fkeystr(scp->sc->kbd, KEYCHAR(c), (size_t *)&fkeycp);
cp = kbd_get_fkeystr(thiskbd, KEYCHAR(c), &len);