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#!/usr/bin/env bash
# SPDX-License-Identifier: LGPL-2.1-or-later
set -eu
set -o pipefail
# In kernel's arch/parisc/include/uapi/asm/errno.h, ECANCELLED and EREFUSED are defined as aliases of
# ECANCELED and ECONNREFUSED, respectively. Let's drop them.
${1:?} -dM -include errno.h - </dev/null | \
grep -Ev '^#define[[:space:]]+(ECANCELLED|EREFUSED)' | \
awk '/^#define[ \t]+E[^ _]+[ \t]+/ { print $2; }'
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