How to turn off buffering of stdout in C

Question

I want to turn off the buffering for the stdout for getting the exact result for the following code

while(1) {
printf(".");
sleep(1);
}

The code printf bunch of '.' only when buffer gets filled.

question from:https://stackoverflow.com/questions/7876660/how-to-turn-off-buffering-of-stdout-in-c

Answer 1

Use fflush(stdout). You can use it after every printf call to force the buffer to flush.