1 nanosleep\(\{tv_sec=1, tv_nsec=0\}, NULL\) = 0 2 \+\+\+ exited with 0 \+\+\+ 3 [ ]*[0-9][0-9]*[.][0-9][0-9]* *0[.]0[0-9]* *[0-9][0-9]* *1 *nanosleep 4
