Copyright (c) 1990, 1995 by Mortice Kern Systems Inc. All Rights Reserved Portions Copyright (c) 1996, Sun Microsystems, Inc. All Rights Reserved
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cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib \e -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> WINDOW *derwin(WINDOW *orig, int nlines, int ncols, int begin_y, int begin_x);
WINDOW *newwin(int nlines, int ncols, int begin_y, int begin_x);
WINDOW *subwin(WINDOW *orig, int nlines, int ncols, int begin_y, int begin_x);
The derwin() function creates a subwindow within window orig, with the specified number of lines and columns, and upper left corner positioned at begin_x, begin_y relative to window orig. A pointer to the new window structure is returned.
The newwin() function creates a new window with the specified number of lines and columns and upper left corner positioned at begin_x, begin_y. A pointer to the new window structure is returned. A full-screen window can be created by calling newwin(0,0,0,0).
If the number of lines specified is zero, newwin() uses a default value of LINES minus begin_y; if the number of columns specified is zero, newwin() uses the default value of COLS minus begin_x.
The subwin() function creates a subwindow within window orig, with the specified number of lines and columns, and upper left corner positioned at begin_x, begin_y (relative to the physical screen, not to window orig). A pointer to the new window structure is returned.
The original window and subwindow share character storage of the overlapping area (each window maintains its own pointers, cursor location, and other items). This means that characters and attributes are identical in overlapping areas regardless of which window characters are written to.
When using subwindows, it is often necessary to call touchwin(3XCURSES) before wrefresh(3XCURSES) to maintain proper screen contents.
Is a pointer to the parent window for the newly created subwindow.
Is the number of lines in the subwindow.
Is the number of columns in the subwindow.
Is the y (row) coordinate of the upper left corner of the subwindow, relative to the parent window.
Is the x (column) coordinate of the upper left corner of the subwindow, relative to the parent window.
On success, these functions return a pointer to the newly-created window. Otherwise, they return ERR.
None.
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE ATTRIBUTE VALUE |
| Interface Stability Standard |
| MT-Level Unsafe |
doupdate(3XCURSES), is_linetouched(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5)