The X Toolkit Intrinsics Reference Manual is a complete programmer's reference for the X Toolkit. It provides reference pages for each of the Xt functions as well as the widget classes defined by Xt and the Athena widgets.This volume is based on Xt documentation from the X Consortium and has been re-edited, reorganized, and expanded. Contents include:

• Reference pages for each of the Xt Intrinsics and macros, organized alphabetically for ease of use.
• Reference pages for the interface definitions of functions registered using other Xt functions.
• Reference pages for the Core, Composite, and Constraint widget methods.
• Reference pages for the Object, RectObj, Core, Composite, Constraint, and Shell widget classes defined by Xt.
• Reference pages for Athena widget classes.
• Reference pages for Xt-related Xmu functions.
• Permuted index.
• Many appendices and quick reference aids.

The third edition of Volume 5 has been completely revised. In addition to covering Release 4 and Release 5 of X, all the man pages have been completely rewritten for clarity and ease of use, and new examples and descriptions have been added throughout the book.This manual is a companion to Volume 4M, X Toolkit Intrinsics Programming Manual.