SQLite

}

/*
** Argument p points to a buffer containing utf-8 text that is n bytes in 
** size. Return the number of bytes in the nChar character prefix of the
** buffer, or 0 if there are less than nChar characters in total.
*/
static int sqlite3Fts5IndexCharlenToBytelen(
  const char *p, 
  int nByte, 
  int nChar
){
  int n = 0;
  int i;
  for(i=0; i<nChar; i++){

  if( rc==SQLITE_OK ){
    rc = sqlite3_create_function(
        db, "fts5_rowid", -1, SQLITE_UTF8, 0, fts5RowidFunction, 0, 0
    );
  }
  return rc;
}