/usr/share/man/man3/ is in libeinfo-dev 0.13.1-4.
This file is owned by root:root, with mode 0o755.
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/usr/share/man/man3/ewarn.3.gz
/usr/share/man/man3/ebegin.3.gz
/usr/share/man/man3/eend.3.gz
/usr/share/man/man3/eendv.3.gz
/usr/share/man/man3/einfon.3.gz
/usr/share/man/man3/eindentv.3.gz
/usr/share/man/man3/ebeginvn.3.gz
/usr/share/man/man3/einfo.3.gz
/usr/share/man/man3/einfovn.3.gz
/usr/share/man/man3/eerrorx.3.gz
/usr/share/man/man3/ewarnn.3.gz
/usr/share/man/man3/eindent.3.gz
/usr/share/man/man3/ewendv.3.gz
/usr/share/man/man3/eoutdentv.3.gz
/usr/share/man/man3/ewarnvn.3.gz
/usr/share/man/man3/ewarnx.3.gz
/usr/share/man/man3/ebeginv.3.gz
/usr/share/man/man3/eprefix.3.gz
/usr/share/man/man3/ebeginn.3.gz
/usr/share/man/man3/einfov.3.gz
/usr/share/man/man3/eerrorn.3.gz
/usr/share/man/man3/ebracket.3.gz
/usr/share/man/man3/eerror.3.gz
/usr/share/man/man3/ewend.3.gz
/usr/share/man/man3/eoutdent.3.gz
/usr/share/man/man3/ewarnv.3.gz