+decode_defined_char (Lisp_Object ccs, int code_point)
+{
+ int dim = XCHARSET_DIMENSION (ccs);
+ Lisp_Object decoding_table = XCHARSET_DECODING_TABLE (ccs);
+ Emchar char_id = -1;
+ Lisp_Object mother;
+
+ while (dim > 0)
+ {
+ dim--;
+ decoding_table
+ = get_ccs_octet_table (decoding_table, ccs,
+ (code_point >> (dim * 8)) & 255);
+ }
+ if (CHARP (decoding_table))
+ return XCHAR (decoding_table);
+#ifdef HAVE_DATABASE
+ if (EQ (decoding_table, Qunloaded) ||
+ EQ (decoding_table, Qunbound) ||
+ NILP (decoding_table) )
+ {
+ char_id = load_char_decoding_entry_maybe (ccs, code_point);
+ }
+#endif
+ if (char_id >= 0)
+ return char_id;
+ else if ( CHARSETP (mother = XCHARSET_MOTHER (ccs)) )
+ {
+ if ( XCHARSET_CONVERSION (ccs) == CONVERSION_IDENTICAL )
+ {
+ if ( EQ (mother, Vcharset_ucs) )
+ return DECODE_CHAR (mother, code_point);
+ else
+ return decode_defined_char (mother, code_point);
+ }
+ }
+ return -1;
+}
+
+Emchar