wctob
int wctob(wint_t);
PROTO_NORMAL(wctob);
DEF_STRONG(wctob);
if (wctob(*wcp) != EOF &&
!ccltab[wctob(*wcp)]) {
result = (wctob((wint_t) ch) == (int) ch);
result = wctob(ch);
num_read = wctob(wc);