filter(CURSES)

filter -- disable use of certain terminal capabilities

Synopsis

cc [options] file -lcurses

#include <curses.h>

void filter(void);

Description

The filter(CURSES) function changes the algorithm for initialising terminal capabilities that assume that the terminal has more than one line. A subsequent call to initscr(CURSES) or newterm(CURSES) performs the following additional actions:

Disable use of clear, cud, cud1, cup, cuu1 and vpa.
Set the value of the home string to the value of the cr. string
Set lines equal to 1.

Any call to filter(CURSES) must precede the call to initscr(CURSES) or newterm(CURSES).

Return value

The filter(CURSES) function does not return a value.

Errors

No errors are defined.

Standards Conformance

The Single UNIX Specification, Version 2; The Open Group.

References

initscr(CURSES), curses(F) terminfo(F)