program). It calls the Linux read(2) system call to fill this buffer and tracks its position
in the buffer using a couple of variables, and if it runs out of input buffer then it refills
it automatically. The other thing that KEY does is if it detects that stdin has closed, it
program). It calls the Linux read(2) system call to fill this buffer and tracks its position
in the buffer using a couple of variables, and if it runs out of input buffer then it refills
it automatically. The other thing that KEY does is if it detects that stdin has closed, it