fcntl(0, F_GETFL)                       = 0x402 (flags O_RDWR|O_APPEND)
fcntl(0, F_SETFL, O_RDWR|O_APPEND|O_NONBLOCK) = 0
read(0, ")", 8192)                      = 1
fcntl(0, F_SETFL, O_RDWR|O_APPEND)      = 0
write(1, "\10\10\10\10\10\10\10(== 1 1\10\10\10\10\10\10\) = 211
select(1, [], [], NULL, {tv_sec=0, tv_usec=200000}) = 0 (Timeout)
write(1, "(== 1 1", 7(== 1 1)                  = 7
write(1, "\10\10\10\10\10\10\10(== 1 (== 1 1)) = 15
select(1, [0], [], NULL, NULL)          = ? ERESTARTNOHAND (To be restarted if no handler)
strace: Process 8249 detached
(key)