3 ms·

I think my C is getting rusty, but "write" operates on a file descriptor, doesn't it? It's unbuffered. The buffered versions are things like printf and puts.

• tptacek 4y ago
  That's POSIX; C's equivalent is a FILE, which generally is buffered.
• Kab1r 4y ago
  I thought Linux does in kernel buffering with `write`