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man pages section 3: Curses Library Functions

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Updated: Thursday, June 13, 2019
 
 

filter(3XCURSES)

Name

filter - disable use of certain terminal capabilities

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 filter(void);

Description

The filter() function changes how X/Open Curses initializes terminal capabilities that assume the terminal has more than one line. After a call to filter(), the initscr(3XCURSES) or newterm(3XCURSES) functions also:

  • Disable use of clear, cud, cud1, cup, cuu1, and vpa.

  • Set home string to the value of cr.

  • Set lines to 1.

Return Values

The filter() function does not return a value.

Errors

None.

Attributes

See attributes(7) for descriptions of the following attributes:

ATTRIBUTE TYPE
ATTRIBUTE VALUE
Interface Stability
Committed
MT-Level
Unsafe
Standard

See Also

initscr(3XCURSES), libcurses(3XCURSES), newterm(3XCURSES), attributes(7), standards(7)