CHGAT(3XCURSES) X/Open Curses Library Functions CHGAT(3XCURSES)

NAME

chgat, mvchgat, mvwchgat, wchgat - change the rendition of characters
in a window

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>

int chgat(int n, attr_t attr, short color, const void *opts);


int mvchgat(int y, int x, int n, attr_t attr, short color,
const void *opts);


int mvwchgat(WINDOW *win, int y, int x, int n, attr_t attr,
short color, const void *opts);


int wchgat(WINDOW *win, int n, attr_t attr, short color,
const void *opts);

DESCRIPTION

These functions change the renditions of the next n characters in
the current or specified window (or of the remaining characters on
the current or specified line, if n is -1), beginning at the current
or specified cursor position. The attributes and colors are specified
by attr and color as for setcchar(3XCURSES).


These function neither update the cursor nor perform wrapping.


A value of n that is greater than the remaining characters on a line
is not an error.


The opts argument is reserved for definition in a future release.
Currently, the application must provide a null pointer for opts.

PARAMETERS

n
Is the number of characters whose rendition is to be
changed.


attr
Is the set of attributes to be assigned to the characters.


color
Is the new color pair to be assigned to the characters.


opts
Is reserved for future use. Currently, this must be a null
pointer.


y
Is the y (row) coordinate of the starting position in the
window.


x
Is the x (column) coordinate of the starting position in the
window. changed in the window.


win
Is a pointer to the window in which the rendition of
characters is to be changed.

RETURN VALUES

Upon successful completion, these functions returned OK. Otherwise,
they return ERR.

ERRORS

No errors are defined.

ATTRIBUTES

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


+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Standard |
+--------------------+-----------------+
|MT-Level | Unsafe |
+--------------------+-----------------+

SEE ALSO

bkgrnd(3XCURSES), libcurses(3XCURSES), setcchar(3XCURSES),
attributes(7), standards(7)

June 5, 2002 CHGAT(3XCURSES)