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Re: equivalent flag or code to MSG_MORE in NetBSD?

To: David Young <dyoung%pobox.com@localhost>
Subject: Re: equivalent flag or code to MSG_MORE in NetBSD?
From: Erik Fair <fair%netbsd.org@localhost>
Date: Sun, 9 Jun 2019 22:37:49 -0700

There is an ancient BSD ioctl(2) which might cover this case: FIONREAD. The point of it back in the day was to be able to know just how much data could be read from a file descriptor (e.g., from TTY input buffers) without blocking.

	Erik Fair

References:
- equivalent flag or code to MSG_MORE in NetBSD?
  - From: ng0
- Re: equivalent flag or code to MSG_MORE in NetBSD?
  - From: David Young

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