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del_curterm(3xcurses)
X/Open Curses Library Functions del_curterm(3XCURSES)
NAME
del_curterm, restartterm, set_curterm, setupterm - interfaces to the
terminfo database
SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib \
-R /usr/xpg4/lib -lcurses [ library... ]
c89 [ flag... ] file... -lcurses [ library... ]
#include <term.h>
int del_curterm(TERMINAL *oterm);
int restartterm(char *term, int fildes, int *errret);
TERMINAL *set_curterm(TERMINAL *nterm);
int setupterm(char *term, int fildes, int *errret);
DESCRIPTION
Within X/Open Curses, the setupterm() function is automatically called
by the initscr (3XC) and newterm (3XC) functions. This function can be
also be used outside of X/Open Curses when a program has to deal
directly with the terminfo database to handle certain terminal capabil‐
ities. The use of appropriate X/Open Curses functions is recommended in
all other situations.
The setupterm() function loads terminal-dependent variables for the
terminfo layer of X/Open Curses. The setupterm() function initializes
the terminfo variables lines and columns such that if use_env(FALSE)
has been called, the terminfo values assigned in the database are used
regardless of the environmental variables LINES and COLUMNS or the pro‐
gram's window dimensions; when use_env(TRUE) has been called, which is
the default, the environment variables LINES and COLUMNS are used, if
they exist. If the environment variables do not exist and the program
is running in a window, the current window size is used.
The term parameter of setupterm() specifies the terminal; if null, ter‐
minal type is taken from the TERM environment variable. All output is
sent to fildes which is initialized for output. If errret is not null,
OK or ERR is returned and a status value is stored in the integer
pointed to by errret. The following status values may be returned:
tab() box; cw(2.75i) cw(2.75i) lw(2.75i) lw(2.75i) ValueDescription
1Normal 0Terminal could not be found -1terminfo database could not be
found
If errret is null, an error message is printed, and the setupterm()
function calls the exit() function with a non-zero parameter.
The set_curterm() function sets the cur_term variable to nterm. The
values from nterm as well as other state information for the terminal
are used by X/Open Curses functions such as beep(3XCURSES),
flash(3XCURSES), mvcur(3XCURSES), tigetflag(3XCURSES), tiget‐
str(3XCURSES), and tigetnum(3XCURSES).
The del_curterm() function frees the space pointed to by oterm. If
oterm and the cur_term variable are the same, all Boolean, numeric, or
string terminfo variables will refer to invalid memory locations until
you call setupterm() and specify a new terminal type.
The restartterm() function assumes that a call to setupterm() has
already been made (probably from initscr() or newterm()). It allows you
to specify a new terminal type in term and updates the data returned by
baudrate(3XCURSES) based on fildes. Other information created by the
initscr(), newterm(), and setupterm() functions is preserved.
PARAMETERS
oterm Is the terminal type for which to free space.
term Is the terminal type for which variables are set.
fildes Is a file descriptor initialized for output.
errret Is a pointer to an integer in which the status value is
stored.
nterm Is the new terminal to become the current terminal.
RETURN VALUES
On success, the set_curterm() function returns the previous value of
cur_term. Otherwise, it returns a null pointer.
On success, the other functions return OK. Otherwise, they return ERR.
ERRORS
None.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelUnsafe _ Stan‐
dardSee standards(7).
SEE ALSO
baudrate(3XCURSES), beep(3XCURSES), initscr(3XCURSES),
libcurses(3XCURSES), mvcur(3XCURSES), tigetflag(3XCURSES),
use_env(3XCURSES), attributes(7), standards(7)
Oracle Solaris 11.4 5 Jun 2002 del_curterm(3XCURSES)