SYS_SEMGET                   = 221 // { int semget(key_t key, int nsems, int semflg); }
	SYS_SEMOP                    = 222 // { int semop(int semid, struct sembuf *sops, size_t nsops); }
	SYS_MSGGET                   = 225 // { int msgget(key_t key, int msgflg); }
	SYS_MSGSND                   = 226 // { int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); }

	SYS_SEMGET                   = 221 // { int semget(key_t key, int nsems, int semflg); }
	SYS_SEMOP                    = 222 // { int semop(int semid, struct sembuf *sops, size_t nsops); }
	SYS_MSGGET                   = 225 // { int msgget(key_t key, int msgflg); }
	SYS_MSGSND                   = 226 // { int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); }

	SYS_SEMGET                   = 221 // { int semget(key_t key, int nsems, int semflg); }
	SYS_SEMOP                    = 222 // { int semop(int semid, struct sembuf *sops, size_t nsops); }
	SYS_MSGGET                   = 225 // { int msgget(key_t key, int msgflg); }
	SYS_MSGSND                   = 226 // { int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); }

	SYS_SEMGET                   = 221 // { int semget(key_t key, int nsems, int semflg); }
	SYS_SEMOP                    = 222 // { int semop(int semid, struct sembuf *sops, size_t nsops); }
	SYS_MSGGET                   = 225 // { int msgget(key_t key, int msgflg); }
	SYS_MSGSND                   = 226 // { int msgsnd(int msqid, const void *msgp, size_t msgsz, int msgflg); }

        do {
          readChar = delegate.read();
        } while (readChar != -1 && toIgnore.indexOf((char) readChar) >= 0);
        return readChar;
      }

      @Override
      public int read(char[] cbuf, int off, int len) throws IOException {
        throw new UnsupportedOperationException();
      }

      @Override
      public void close() throws IOException {
        delegate.close();
      }