curs_delch - Online Linux Manual PageSection : 3X
Updated :

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NAMEdelch, wdelch, mvdelch, mvwdelch − delete character under the cursor in a curses window

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SYNOPSIS#include <curses.h> int delch(void);
int wdelch(WINDOW *win);
int mvdelch(int y, int x);
int mvwdelch(WINDOW *win, int y, int x);

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DESCRIPTIONThese routines delete the character under the cursor; all characters to the right of the cursor on the same line are moved to the left one position and the last character on the line is filled with a blank. The cursor position does not change (after moving to y, x, if specified). (This does not imply use of the hardware delete character feature.)

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RETURN VALUEAll routines return the integer ERR upon failure and an OK (SVr4 specifies only "an integer value other than ERR") upon successful completion. 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.

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NOTESNote that delch, mvdelch, and mvwdelch may be macros.

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PORTABILITYThese functions are described in the XSI Curses standard, Issue 4. The standard specifies that they return ERR on failure, but specifies no error conditions.

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SEE ALSOcurses(3X) 0

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