Commit | Line | Data |
---|---|---|
810a2ebd KA |
1 | .sh 1 Variables |
2 | .pp | |
3 | Many variables which are used to describe the terminal environment | |
4 | are available to the programmer. They are: | |
5 | .TS | |
6 | expand; | |
7 | lw(6m) lw(8n) lw(50n). | |
8 | type name description | |
9 | _ | |
10 | WINDOW * curscr T{ | |
11 | .fi | |
12 | current version of the screen (terminal screen). | |
13 | T} | |
14 | WINDOW * stdscr T{ | |
15 | standard screen. Most updates are usually done here. | |
16 | T} | |
17 | char * Def\*_term T{ | |
18 | default terminal type if type cannot be determined | |
19 | T} | |
20 | bool My\*_term T{ | |
21 | use the terminal specification in \fIDef\*_term\fR as terminal, | |
22 | irrelevant of real terminal type | |
23 | T} | |
24 | char * ttytype T{ | |
25 | full name of the current terminal. | |
26 | T} | |
27 | int LINES T{ | |
28 | number of lines on the terminal | |
29 | T} | |
30 | int COLS T{ | |
31 | number of columns on the terminal | |
32 | T} | |
33 | int ERR T{ | |
34 | error flag returned by routines on a fail. | |
35 | T} | |
36 | int OK T{ | |
37 | error flag returned by routines when things go right. | |
38 | T} | |
39 | .TE | |
40 | .pp | |
41 | There are also several | |
42 | .q #define | |
43 | constants and types | |
44 | which are of general usefulness: | |
45 | .sp | |
46 | .ev 1 | |
47 | .ta 11n | |
48 | .(b L | |
49 | .nf | |
50 | reg storage class ``register'' (e.g., \fIreg int i;\fR\|) | |
51 | bool boolean type, actually a ``char'' (e.g., \fIbool doneit;\fR\|) | |
52 | TRUE boolean ``true'' flag (1). | |
53 | FALSE boolean ``false'' flag (0). | |
54 | .fi | |
55 | .ev | |
56 | .)b | |
57 | .lp |