Open System Services System Calls Reference Manual (G06.25+, H06.03+)

Files termcap(4)
str String capabilities, which give character sequences that can be used to perform
particular terminal operations.
The following table describes the capabilities used to describe terminals.
Notes to the table:
N Indicates numeric parameter(s).
P Indicates that padding can be specified.
* Indicates that padding can be based on the number of lines affected.
o Indicates that the capability is obsolete. New software should not rely on this capability at
all.
Table 11−11. Terminal Capabilities
Name Type Notes Description
__________________________________________________________________________________
ae str (P) End alternate character set
AL str (NP*) Add n new blank lines
al str (P*) Add new blank line
am bool Terminal has automatic margins
as str (P) Start alternate character set
bc str (o) Backspace if not ˆH
bl str (P) Audible signal (bell)
bs bool (o) Terminal can backspace with ˆH
bt str (P) Back tab
bool The le (backspace) wraps from column 0 to last columnbw
Terminal settable command character in prototypeCC str
cd str (P*) Clear to end of display
ce str (P) Clear to end of line
ch str (NP) Set cursor column (horizontal position)
cl str (P*) Clear screen and home cursor
CM str (NP) Memory-relative cursor addressing
cm str (NP) Screen-relative cursor motion
Number of columns in a line (see NOTES section)co num
cr str (P) Carriage return
cs str (NP) Change scrolling region (DEC VT100 terminal)
ct str (P) Clear all tab stops
cv str (NP) Set cursor row (vertical position)
da bool Display can be retained above the screen
dB num (o) Milliseconds of bs delay needed (default 0)
db bool Display can be retained below the screen
DC str (NP*) Delete n characters
dC num (o) Milliseconds of cr delay needed (default 0)
dc str (P*) Delete character
dF num (o) Milliseconds of ff delay needed (default 0)
DL str (NP*) Delete n lines
dl str (P*) Delete line
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