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legacy_coding(3X)					     legacy_coding(3X)

NAME
       use_legacy_coding - use terminal's default colors

SYNOPSIS
       #include	<curses.h>

       int use_legacy_coding(int level);

DESCRIPTION
       The use_legacy_coding() function	is an extension	to the curses library.
       It allows the caller to change the result of unctrl, and	 suppress  re-
       lated  checks  within the library that would normally cause nonprinting
       characters to be	rendered in visible form.   This  affects  only	 8-bit
       characters.

       The level parameter controls the	result:

	      0	   the library functions normally, rendering nonprinting char-
		   acters as described in unctrl.

	      1	   the	library	 ignores  isprintf  for	 codes	in  the	 range
		   160-255.

	      2	   the	library	 ignores  isprintf  for	 codes	in  the	 range
		   128-255.  It	also modifies the output  of  unctrl,  showing
		   codes in the	range 128-159 as is.

RETURN VALUE
       If  the	screen has not been initialized, or the	level parameter	is out
       of range, the function returns ERR.  Otherwise, it returns the previous
       level: 0, 1 or 2.

PORTABILITY
       This  routine  is specific to ncurses.  It was not supported on Version
       7, BSD or System	V implementations.  It is recommended  that  any  code
       depending on ncurses extensions be conditioned using NCURSES_VERSION.

SEE ALSO
       unctrl.

AUTHOR
       Thomas Dickey (to support lynx's	font-switching feature).

							     legacy_coding(3X)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | PORTABILITY | SEE ALSO | AUTHOR

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