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winch

man page of winch

winch: get a character and attributes from a curses window

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 position, 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).
 
 
 

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