The Common UNIX Printing System (or CUPS(tm)) is a printing system and general replacement for lpd and the like. It supports the Internet Printing Protocol (IPP), and has its own filtering driver model for handling various document types. . This package provides the files necessary for developing CUPS-aware applications and CUPS drivers, as well as examples how to communicate with cups from different programming languages (Perl, Java, and PHP). . The terms "Common UNIX Printing System" and "CUPS" are trademarks of Easy Software Products (www.easysw.com), and refer to the original source packages from which these packages are made.