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30 .\" @(#)intro.2 8.1 (Berkeley) 6/4/93
34 Many variables which are used to describe the terminal environment
35 are available to the programmer.
40 lw(6m) lw(8n) lw(50n).
45 current version of the screen (terminal screen).
49 Most updates are usually done here.
52 default terminal type if type cannot be determined
55 use the terminal specification in \fIDef\*_term\fR as terminal,
56 irrelevant of real terminal type
59 full name of the current terminal.
62 number of lines on the terminal
65 number of columns on the terminal
68 number of colors on the terminal
71 number of color pairs on the terminal
74 error flag returned by routines on a fail.
77 flag returned by routines upon success.