RAIN(6) Games Manual RAIN(6)NAME
rain - animated raindrops display
Rain's display is modeled after the VAX/VMS program of the same name. The terminal has to be set for 9600 baud to obtain the proper
As with all programs that use termcap, the TERM environment variable must be set (and exported) to the type of the terminal being used.
Eric P. Scott
4th Berkeley Distribution May 20, 1985 RAIN(6)
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tgetent, tgetnum, tgetflag, tgetstr, tgoto, tputs - terminal independent operation routines
char *bp, *name;
char *id, **area;
tgoto(cm, destcol, destline)
tputs(cp, affcnt, outc)
register char *cp;
These functions extract and use capabilities from the terminal capability data base termcap(5). These are low level routines; see
curses(3X) for a higher level package.
Tgetent extracts the entry for terminal name into the buffer at bp. Bp should be a character buffer of size 1024 and must be retained
through all subsequent calls to tgetnum, tgetflag, and tgetstr. Tgetent returns -1 if it cannot open the termcap file, 0 if the terminal
name given does not have an entry, and 1 if all goes well. It will look in the environment for a TERMCAP variable. If found, and the
value does not begin with a slash, and the terminal type name is the same as the environment string TERM, the TERMCAP string is used
instead of reading the termcap file. If it does begin with a slash, the string is used as a path name rather than /etc/termcap. This can
speed up entry into programs that call tgetent, as well as to help debug new terminal descriptions or to make one for your terminal if you
can't write the file /etc/termcap.
Tgetnum gets the numeric value of capability id, returning -1 if is not given for the terminal. Tgetflag returns 1 if the specified capa-
bility is present in the terminal's entry, 0 if it is not. Tgetstr returns the string value of the capability id, places it in the buffer
at area, and advances the area pointer. It decodes the abbreviations for this field described in termcap(5), except for cursor addressing
and padding information. Tgetstr returns NULL if the capability was not found.
Tgoto returns a cursor addressing string decoded from cm to go to column destcol in line destline. It uses the external variables UP (from
the up capability) and BC (if bc is given rather than bs) if necessary to avoid placing
, ^D or ^@ in the returned string. (Programs
which call tgoto should be sure to turn off the XTABS bit(s), since tgoto may now output a tab. Note that programs using termcap should in
general turn off XTABS anyway since some terminals use control I for other functions, such as nondestructive space.) If a % sequence is
given which is not understood, then tgoto returns "OOPS".
Tputs decodes the leading padding information of the string cp; affcnt gives the number of lines affected by the operation, or 1 if this is
not applicable, outc is a routine which is called with each character in turn. The external variable ospeed should contain the output
speed of the terminal as encoded by stty(3). The external variable PC should contain a pad character to be used (from the pc capability)
if a null (^@) is inappropriate.
/usr/lib/libtermcap.a -ltermcap library
/etc/termcap data base
SEE ALSO ex(1), curses(3X), termcap(5)AUTHOR
4th Berkeley Distribution May 15, 1985 TERMCAP(3X)