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curs_insch(3)
NAME
  curs_insch, insch, winsch, mvinsch, mvwinsch - Insert a character before
  the character under the cursor in a Curses window

LIBRARY
  Curses Library (libcurses.a, libcurses.so)

SYNOPSIS
  #include <curses.h>

  int insch(chtype ch);
  int winsch(WINDOW *win, chtype ch);
  int mvinsch(int y, int x, chtype ch);
  int mvwinsch(WINDOW *win, int y, int x,
	  chtype ch);

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  insch, winsch, mvinsch, mvwinsch:   XPG4, XPG4-UNIX

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

DESCRIPTION
  These routines insert the character ch before the character under the
  cursor.  All characters to the right of the cursor are moved one space to
  the right, with the possibility of the rightmost character on the line
  being lost.  The cursor position does not change after moving to y, x, if
  specified.  (This does not imply use of the hardware insert-character
  feature.)

NOTES
  The header file curses.h automatically includes the header file stdio.h.

  Note that insch, mvinsch, and mvwinsch may be macros.

RETURN VALUES
  All routines return the integer ERR upon failure and OK upon successful
  completion.

RELATED INFORMATION
  Functions: curses(3)

  Others: standards(5)