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The Termcap Library

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The Termcap Library

Introduction  What is termcap? Why this manual?
1. The Termcap Library  The termcap library functions.
2. The Format of the Data Base  What terminal descriptions in `/etc/termcap' look like.
3. Definitions of the Terminal Capabilities  Definitions of the individual terminal capabilities: how to write them in descriptions, and how to use their values to do display updating.
4. Summary of Capability Names  Brief table of capability names and their meanings.
Variable and Function Index  Index of C functions and variables.
Capability Index  Index of termcap capabilities.
Concept Index  Concept index.

 -- The Detailed Node Listing ---

The Termcap Library

1.1 Preparing to Use the Termcap Library  Preparing to use the termcap library.
1.2 Finding a Terminal Description: tgetent  Finding the description of the terminal being used.
1.3 Interrogating the Terminal Description  Interrogating the description for particular capabilities.
1.4 Initialization for Use of Termcap  Initialization for output using termcap.
1.5 Padding  Outputting padding.
1.6 Filling In Parameters  Encoding parameters such as cursor positions.


1.5.1 Why Pad, and How  Explanation of padding.
1.5.2 When There Is Not Enough Padding  When there is not enough padding.
1.5.3 Specifying Padding in a Terminal Description  The data base says how much padding a terminal needs.
1.5.4 Performing Padding with tputs  Using tputs to output the needed padding.

Filling In Parameters

1.6.1 Describing the Encoding  The language for encoding parameters.
1.6.2 Sending Display Commands with Parameters  Outputting a string command with parameters.

Sending Display Commands with Parameters tparam  The general case, for GNU termcap only. tgoto  The special case of cursor motion.

The Format of the Data Base

2.1 Terminal Description Format  Overall format of a terminal description.
2.2 Writing the Capabilities  Format of capabilities within a description.
2.3 Terminal Type Name Conventions  Naming conventions for terminal types.
2.4 Inheriting from Related Descriptions  Inheriting part of a description from
a related terminal type.
2.5 When Changes in the Data Base Take Effect  When changes in the data base take effect.

Definitions of the Terminal Capabilities

3.1 Basic Characteristics  Basic characteristics.
3.2 Screen Size  Screen size, and what happens when it changes.
3.3 Cursor Motion  Various ways to move the cursor.
3.4 Wrapping  What happens if you write a character in the last column.
3.5 Scrolling  Pushing text up and down on the screen.
3.6 Windows  Limiting the part of the window that output affects.
3.7 Clearing Parts of the Screen  Erasing one or many lines.
3.8 Insert/Delete Line  Making new blank lines in mid-screen; deleting lines.
3.9 Insert/Delete Character  Inserting and deleting characters within a line.
3.10 Standout and Appearance Modes  Highlighting some of the text.
3.11 Underlining  Underlining some of the text.
3.12 Cursor Visibility  Making the cursor more or less easy to spot.
3.13 Bell  Attracts user's attention; not localized on the screen.
3.14 Keypad and Function Keys  Recognizing when function keys or arrows are typed.
3.15 Meta Key  META acts like an extra shift key.
3.16 Initialization  Commands used to initialize or reset the terminal.
3.17 Padding Capabilities  Info for the kernel on how much padding is needed.
3.18 Status Line  A status line displays "background" information.
3.19 Half-Line Motion  Moving by half-lines, for superscripts and subscripts.
3.20 Controlling Printers Attached to Terminals  Controlling auxiliary printers of display terminals.

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