X Toolkit Intrinsics Reference Manual for X11 R3. Definitive Guides to the X Window System Volume 5

Volume Five, X Toolkit Intrinsics Reference Manual, is a complete programmer's reference for X Toolkit (Xt). Xt is a library of C language routines designed to facilitate the design of the user interfaces, with reusable components called widgets. This book  covers the X Toolkit Intrinsics in depth and contains reference pages for the Athena widgets. Contents include:
• Reference pages for each of the Xt Intrinsics and macros, organized alphabetically for ease of reference
• Reference pages for the Core, Composite, Constraint and Shell widget classes defined by Xt
• Reference pages for the function prototypes used to declare widget methods and other internal functions
• Reference pages for the Athena widgets
• Permuted index
• Master index for Volumes Four and Five
• Numerous appendices and quick reference aids
This book is designed to be used the Volume Four, X Toolkit Intrinsics Programming Manual, which describes how to build applications using the Xt Intrinsics and provides a complete tutorial with programming examples.