Tim Ledbetter 256084b0b9 top: Disable echo and line buffering on startup ...

This means we no longer show any characters the user types while top
is running.

Disabling line buffering has the same effect as enabling
non-blocking I/O, but it doesn't crash the terminal when we exit the
program without restoring stdin to its original state. This would
previously happen when a SIGKILL signal was received, for example.

2023-08-05 11:08:16 +02:00

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