strace Use Example - The Networked Client (Cont.)

Now the user+password dialog (read from user, send to server):

write(1, "Name (actcom.co.il:choo): ", 26) = 26
read(0, "choo\n", 1024)                 = 5
rt_sigaction(SIGINT, {0x804e960, [INT], SA_RESTART|0x4000000}, {0x80535a0, [INT], SA_RESTART|0x4000000}, 8) = 0
write(3, "USER choo\r\n", 11)           = 11
rt_sigaction(SIGINT, {0x804e960, [INT], SA_RESTART|0x4000000}, {0x804e960, [INT], SA_RESTART|0x4000000}, 8) = 0
read(3, "331 Password required for choo.\r"..., 4096) = 33
write(1, "331 Password required for choo.\n", 32) = 32
rt_sigaction(SIGINT, {0x804e960, [INT], SA_RESTART|0x4000000}, {0x804e960, [INT], SA_RESTART|0x4000000}, 8) = 0
rt_sigaction(SIGINT, {0x80535a0, [INT], SA_RESTART|0x4000000}, {0x804e960, [INT], SA_RESTART|0x4000000}, 8) = 0
open("/dev/tty", O_RDWR|O_CREAT|O_TRUNC, 0666) = 4
ioctl(4, SNDCTL_TMR_TIMEBASE, {B38400 opost isig icanon echo ...}) = 0
ioctl(4, SNDCTL_TMR_CONTINUE, {B38400 opost -isig icanon -echo ...}) = 0
fstat64(4, {st_mode=S_IFCHR|0666, st_rdev=makedev(5, 0), ...}) = 0
ioctl(4, SNDCTL_TMR_TIMEBASE, {B38400 opost -isig icanon -echo ...}) = 0
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x40017000
write(4, "Password:", 9)                = 9
read(4, "mypasswd\n", 4096)             = 9
write(4, "\n", 1)                       = 1
ioctl(4, SNDCTL_TMR_CONTINUE, {B38400 opost isig icanon echo ...}) = 0
close(4)                                = 0
munmap(0x40017000, 4096)                = 0
rt_sigaction(SIGINT, {0x804e960, [INT], SA_RESTART|0x4000000}, {0x80535a0, [INT], SA_RESTART|0x4000000}, 8) = 0
write(3, "PASS mypasswd\r\n", 15)       = 15