set_term man page on Tru64

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curs_initscr(3)						       curs_initscr(3)

NAME
       curs_initscr, initscr, newterm, endwin, isendwin, set_term, delscreen -
       Curses routines for screen initialization and manipulation

SYNOPSIS
       #include <curses.h>

       WINDOW *initscr(
	       void ); int endwin(
	       void ); int isendwin(
	       void ); SCREEN *newterm(
	       char *type,
	       FILE *outfd,
	       FILE *infd ); SCREEN *set_term(
	       SCREEN *new ); void delscreen(
	       SCREEN *sp );

LIBRARY
       Curses Library (libcurses)

STANDARDS
       Interfaces documented on this reference page conform to industry	 stan‐
       dards as follows:

       delscreen, initscr, endwin, isendwin, newterm, set_term:	 XCURSES4.2

       Refer  to  the  standards(5)  reference page for more information about
       industry standards and associated tags.

DESCRIPTION
       The initscr routine is almost always the first  routine	that  applica‐
       tions  call.  (The exceptions are slk_init, filter, ripoffline, use_env
       and, for multiple-terminal applications, newterm). The initscr  routine
       determines  the	terminal  type	and initializes all Curses data struc‐
       tures. The routine also causes the first call to refresh to  clear  the
       screen. If errors occur, initscr writes an appropriate error message to
       standard error and then exits; otherwise, the routine returns a pointer
       to  stdscr.  If	the  program  needs an indication of error conditions,
       newterm should be used instead  of  initscr;  initscr  should  only  be
       called once per application.

       A program that outputs to more than one terminal should use the newterm
       routine for each terminal instead of initscr.  A program that needs  an
       indication  of  error  conditions, so it can continue to run in a line-
       oriented mode if the terminal cannot support a screen-oriented program,
       would also use newterm. An application calls newterm once for each ter‐
       minal. The routine returns a variable of type SCREEN * that  should  be
       saved  as a reference to that terminal. The routine's arguments are the
       type of the terminal to be used in place of $TERM, a file  pointer  for
       output  to  the	terminal,  and another file pointer for input from the
       terminal.  (If type is NULL, $TERM is used). Before exiting Curses, the
       program must also call endwin for each terminal being used. If the pro‐
       gram calls newterm more than once for the same terminal, the first ter‐
       minal referred to must be the last one for which endwin is called.

       A  program  should  always  call endwin before exiting or escaping from
       Curses mode temporarily. This routine restores  tty  modes,  moves  the
       cursor to the lower left-hand corner of the screen, and resets the ter‐
       minal into the proper nonvisual mode. Calling refresh or doupdate after
       a temporary escape causes the program to resume visual mode.

       The isendwin routine returns TRUE if endwin has been called without any
       subsequent calls to wrefresh; otherwise, the routine returns FALSE.

       The set_term routine switches between different terminals.  The	screen
       reference  new  becomes	the new current terminal.  The routine returns
       the previous terminal. This is the only routine that manipulates SCREEN
       pointers; all other routines affect only the current terminal.

       The  delscreen  routine	frees  storage associated with the SCREEN data
       structure. The endwin routine  does  not	 perform  this	operation,  so
       applications  should call delscreen after endwin if a particular SCREEN
       is no longer needed. Applications must also close file pointers	passed
       to newterm.

NOTES
       The  header  file  <curses.h>  automatically  includes  the header file
       <stdio.h>.

RETURN VALUES
       The endwin routine returns the integer ERR upon	failure	 and  OK  upon
       successful completion.

       Routines that return pointers always return NULL on error.

SEE ALSO
       Functions:  curses(3),  curs_kernel(3),	curs_refresh(3),  curs_slk(3),
       curs_util(3)

       Others: standards(5)

							       curs_initscr(3)
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