File list of package libxdmcp-dev in buster of architecture armhf
/usr/include/X11/Xdmcp.h /usr/lib/arm-linux-gnueabihf/libXdmcp.a /usr/lib/arm-linux-gnueabihf/libXdmcp.so /usr/lib/arm-linux-gnueabihf/pkgconfig/xdmcp.pc /usr/share/doc/libxdmcp-dev/changelog.Debian.gz /usr/share/doc/libxdmcp-dev/changelog.gz /usr/share/doc/libxdmcp-dev/copyright /usr/share/doc/libxdmcp-dev/xdmcp.txt.gz