inch(3cur)inch(3cur)Name
inch, mvinch, mvwinch, winch - return character from window
Syntax
#include <cursesX.h>
chtype inch()
chtype winch(win)
WINDOW *win;
chtype mvinch(y, x)
int y, x;
chtype mvwinch(win, y, x)
WINDOW *win;
int y, x;
Description
The routine returns the character at the current cursor position in the default window. If any attributes are set for that character,
their values will be into the value returned.
The routine returns the character at the specified position in the default window. If any attributes are set for that position, their val-
ues will be into the value returned.
The routine returns the character at the current position in the named window. If any attributes are set for that position, their values
will be into the value returned.
The routine returns the character at the specified position in the named window. If any attributes are set for that position, their values
will be into the value returned.
The following information applies to all the routines.
The predefined constants A_CHARTEXT and A_ATTRIBUTES, defined in can be used with the (logical operator to extract the character or
attributes alone.
The and routines are macros.
Return Values
Upon successful completion, the and functions return the character at the selected position. Otherwise, the and functions return ERR.
inch(3cur)
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inch(3NCURSES)inch(3NCURSES)NAME
inch, winch, mvinch, mvwinch - get a character and attributes from a curses window
SYNOPSIS
#include <curses.h>
chtype inch(void);
chtype winch(WINDOW *win);
chtype mvinch(int y, int x);
chtype mvwinch(WINDOW *win, int y, int x);
DESCRIPTION
These routines return the character, of type chtype, at the current position in the named window. If any attributes are set for that posi-
tion, their values are OR'ed into the value returned. Constants defined in <curses.h> can be used with the & (logical AND) operator to
extract the character or attributes alone.
Attributes
The following bit-masks may be AND-ed with characters returned by winch.
A_CHARTEXT Bit-mask to extract character
A_ATTRIBUTES Bit-mask to extract attributes
A_COLOR Bit-mask to extract color-pair field information
RETURN VALUE
Functions with a "mv" prefix first perform a cursor movement using wmove, and return an error if the position is outside the window, or if
the window pointer is null.
NOTES
Note that all of these routines may be macros.
PORTABILITY
These functions are described in the XSI Curses standard, Issue 4.
SEE ALSO ncurses(3NCURSES).
Comparable functions in the wide-character (ncursesw) library are described in in_wch(3NCURSES).
inch(3NCURSES)
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