mulberry ~ # equery depends esound
[ Searching for packages depending on esound... ]
app-editors/xemacs-21.4.20-r1 (esd? media-sound/esound)
app-emulation/wine-0.9.29 (esd? media-sound/esound)
games-strategy/freeciv-2.0.9 (!dedicated & esd? media-sound/esound)
gnome-base/gnome-2.16.3 (>=media-sound/esound-0.2.36)
gnome-base/gnome-session-2.16.3 (esd? >=media-sound/esound-0.2.26)
gnome-base/libgnome-2.16.0 (esd? >=media-sound/esound-0.2.26)
gnome-base/nautilus-2.16.3 (>=media-sound/esound-0.2.27)
gnome-extra/gnome-media-2.16.1 (>=media-sound/esound-0.2.23)
media-libs/libao-0.8.6-r3 (esd? >=media-sound/esound-0.2.22)
media-libs/libsdl-1.2.11-r2 (esd? >=media-sound/esound-0.2.19)
media-libs/xine-lib-1.1.8 (esd? media-sound/esound)
media-plugins/audacious-plugins-1.3.3 (esd? >=media-sound/esound-0.2.30)
media-video/cinelerra-cvs-20070607 (esd? >=media-sound/esound-0.2.34)
media-video/mplayer-1.0.20070622-r1 (esd? media-sound/esound)
media-video/vlc-0.8.6c (esd? media-sound/esound)
x11-wm/enlightenment-0.16.8.8 (esd? >=media-sound/esound-0.2.19)
x11-wm/icewm-1.2.32 (esd? media-sound/esound)

mulberry ~ # equery belongs esound
[ Searching for file(s) esound in *... ]
media-sound/esound-0.2.36-r2 (/etc/conf.d/esound)
media-sound/esound-0.2.36-r2 (/etc/init.d/esound)