write(1, "a) socket()\n", 12)           = 12
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3
write(1, "a) close() #1\n", 14)         = 14
close(3)                                = 0
write(1, "b) socket()\n", 12)           = 12
socket(AF_INET, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, IPPROTO_IP) = 3
write(1, "a) close() #2\n", 14)         = 14
write(1, "b) close()\n", 11)            = 11
close(3)                                = 0