lib64xcb-util-devel riscv64 eef5de3f30529aaaececbe7a9b86c01be4e18f6e8aa5c39245bfa3cdf159db47 A number of libraries which sit on top of libxcb The xcb-util module provides a number of libraries which sit on top of libxcb, the core X protocol library, and some of the extension libraries. These experimental libraries provide convenience functions and interfaces which make the raw X protocol more usable. Some of the libraries also provide client-side code which is not strictly part of the X protocol but which have traditionally been provided by Xlib. http://xcb.freedesktop.org