use_env man page on SmartOS

use_env man page on SmartOS

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USE_ENV(3XCURSES)					     USE_ENV(3XCURSES)

NAME
       use_env - specify source of screen size information

SYNOPSIS
       cc [ flag... ] file... -I /usr/xpg4/include  -L	/usr/xpg4/lib \
	-R  /usr/xpg4/lib  -lcurses  [ library... ]

       c89 [ flag... ] file... -lcurses [ library... ]

       #include <curses.h>

       void use_env(bool boolval);

PARAMETERS
       boolval
		  Is a Boolean expression.

DESCRIPTION
       The use_env() function specifies the technique by which the implementa‐
       tion determines the size of the screen. If boolval is FALSE, the imple‐
       mentation  uses	the  values of lines and columns specified in the ter‐
       minfo database. If boolval is TRUE, the implementation uses  the	 LINES
       and COLUMNS environmental variables. The initial value is TRUE.

       Any   call  to  use_env()  must	precede	 calls	to  initscr(3XCURSES),
       newterm(3XCURSES), or setupterm(3XCURSES).

RETURN VALUES
       The use_env() function does not return a value.

ERRORS
       No errors are defined.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Standard	      │
       ├────────────────────┼─────────────────┤
       │MT-Level	    │ Unsafe	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       del_curterm(3XCURSES),	  initscr(3XCURSES),	  libcurses(3XCURSES),
       attributes(5), standards(5)

				  Jun 5, 2002		     USE_ENV(3XCURSES)

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