E1. read data from one fifo and display it;
E2. Check if there is input from keyboard, if there is then handle it,
otherwise do nothing.
E1 should always be in execution, while E2 is event driven (when I input
something it should be capable of detecting and handling.)
If you want to simply check stdin, use select or poll. If U want to use
other libraries to handle terminal (ncurses? slang?), U'll have to check
it's docs to find apropriate functions.
if( feof(stdin)){
kbd();
}
read(...);
this way doesn't work, kbd() is never called. How can I poll to see if there
is input or not while I can do something else, like read() ?
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