hfish@v2410:~$ apt-file search zlib.h
autoconf-archive: usr/share/doc/autoconf-archive/html/check_zlib.html
doc-linux-ja-html: usr/share/doc/HOWTO/ja-html/LFS-BOOK/appendixa/zlib.html
doc-linux-ja-html: usr/share/doc/HOWTO/ja-html/LFS-BOOK/chapter06/zlib.html
drscheme: usr/lib/plt/collects/plot/src/all/zlib.h
erlang-doc-html: usr/share/doc/erlang-doc-html/html/lib/kernel-2.11.5/doc/html/zlib.html
iceowl-dev: usr/include/iceowl/libbz2/bzlib.h
iceowl-dev: usr/include/iceowl/zlib/zlib.h
libboost-doc: usr/share/doc/libboost-doc/HTML/libs/iostreams/doc/classes/zlib.html
libboost-iostreams-dev: usr/include/boost/iostreams/detail/config/zlib.hpp
libboost-iostreams-dev: usr/include/boost/iostreams/filter/zlib.hpp
libbotan-dev: usr/include/botan/zlib.h
libbz2-dev: usr/include/bzlib.h
libcomplearn-dev: usr/include/complearn-1.0/complearn/complearn-rcbzlib.h
libcomplearn-dev: usr/include/complearn-1.0/complearn/complearn-rczlib.h
libcrypto++-dev: usr/include/crypto++/zlib.h
libdc0-dev: usr/include/dclib/core/czlib.h
libinsighttoolkit-dev: usr/include/InsightToolkit/Utilities/itk_zlib.h
libinsighttoolkit-dev: usr/include/InsightToolkit/Utilities/znzlib.h
libklibc-dev: usr/lib/klibc/include/zlib.h
libniftiio1-dev: usr/include/nifti/znzlib.h
libpoco-dev: usr/include/Poco/zlib.h
libsilc-1.1-2-dev: usr/share/doc/libsilc-1.1-2-dev/toolkit/zlib.html
libsword-dev: usr/include/sword/zlib.h
libtagcoll2-dev: usr/include/tagcoll-2.0.7/tagcoll/input/zlib.h
libtrf-tcl: usr/share/doc/libtrf-tcl/html/crc-zlib.html
libuclibc-dev: usr/i386-uclibc-linux/include/linux/zlib.h
libvtk5-dev: usr/include/vtk-5.0/vtk_zlib.h
libxar-dev: usr/include/xarlib/zlib.h
linux-headers-2.6.22-3: usr/src/linux-headers-2.6.22-3/include/linux/zlib.h
linux-headers-2.6.22-3-486: usr/src/linux-headers-2.6.22-3-486/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-486: usr/src/linux-headers-2.6.22-3-486/include/linux/zlib.h
linux-headers-2.6.22-3-686: usr/src/linux-headers-2.6.22-3-686/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-686: usr/src/linux-headers-2.6.22-3-686/include/linux/zlib.h
linux-headers-2.6.22-3-686-bigmem: usr/src/linux-headers-2.6.22-3-686-bigmem/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-686-bigmem: usr/src/linux-headers-2.6.22-3-686-bigmem/include/linux/zlib.h
linux-headers-2.6.22-3-amd64: usr/src/linux-headers-2.6.22-3-amd64/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-amd64: usr/src/linux-headers-2.6.22-3-amd64/include/linux/zlib.h
linux-headers-2.6.22-3-k7: usr/src/linux-headers-2.6.22-3-k7/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-k7: usr/src/linux-headers-2.6.22-3-k7/include/linux/zlib.h
linux-headers-2.6.22-3-vserver: usr/src/linux-headers-2.6.22-3-vserver/include/linux/zlib.h
linux-headers-2.6.22-3-vserver-686: usr/src/linux-headers-2.6.22-3-vserver-686/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-vserver-686: usr/src/linux-headers-2.6.22-3-vserver-686/include/linux/zlib.h
linux-headers-2.6.22-3-vserver-k7: usr/src/linux-headers-2.6.22-3-vserver-k7/include/config/jffs2/zlib.h
linux-headers-2.6.22-3-vserver-k7: usr/src/linux-headers-2.6.22-3-vserver-k7/include/linux/zlib.h
linux-patch-openswan: usr/src/kernel-patches/all/openswan/linux/include/zlib/zlib.h
lsb-build-base2: usr/include/lsb2/zlib.h
lsb-build-base3: usr/include/lsb3/zlib.h
mzscheme: usr/share/plt/doc/mzlib/mzlib.hlog
mzscheme: usr/share/plt/doc/mzlib/mzlib.html
php-doc: usr/share/doc/php-doc/html/ref.zlib.html
python2.4-doc: usr/share/doc/python2.4/html/lib/module-zlib.html
python2.5-doc: usr/share/doc/python2.5/html/lib/module-zlib.html
tex4ht-common: usr/share/texmf/tex4ht/ht-fonts/alias/arabi/nazlib.htf
x11proto-xext-dev: usr/include/X11/extensions/lbxzlib.h
zlib1g-dev: usr/include/zlib.h
hfish@v2410:~$