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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
       related 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
                   characters 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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