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5.12 Curses

These functions are defined in crs.c using the curses library. Unless otherwise noted these routines return #t for successful completion and #f for failure.

— Function: initscr

Returns a port for a full screen window. This routine must be called to initialize curses.

— Function: endwin

A program should call endwin before exiting or escaping from curses mode temporarily, to do a system call, for example. This routine will restore termio modes, move the cursor to the lower left corner of the screen and reset the terminal into the proper non-visual mode. To resume after a temporary escape, call refresh.