c_to_cc
o = c_to_cc( o, &trans_t61a_iso8859[ *s - 0xA0 ], *s );
o = c_to_cc( o, &trans_t61b_iso8859[ *s - 0xD0 ], *s );
static Byte *c_to_cc( Byte *o, Couple *cc, Byte c );
static Byte *c_to_cc();