set -eu
$1 -dM -include linux/capability.h -include "$2" -include "$3" - </dev/null | \
- awk '/^#define[ \t]+CAP_[A-Z_]+[ \t]+/ { print $2; }' | \
- grep -v CAP_LAST_CAP
+ awk '/^#define[ \t]+CAP_[A-Z_]+[ \t]+/ { print $2; }' | \
+ grep -v CAP_LAST_CAP