libxdmcp-dev - 1:1.1.2-3+b2 main

This package provides the main interface to the X11 display manager control
protocol library, which allows for remote logins to display managers.
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This package contains the development headers for the library found in
libxdmcp6. Non-developers likely have little use for this package.
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More information about X.Org can be found at:

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This module can be found at
git://anongit.freedesktop.org/git/xorg/lib/libXdmcp