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curs_insch 3x



curs_insch(3x)                                           curs_insch(3x)




NAME

       insch,  winsch,  mvinsch,  mvwinsch  -  insert a character
       before cursor in a curses window


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);


DESCRIPTION

       These routines insert the character ch before the  charac-
       ter  under the cursor.  All characters to the right of the
       cursor are moved one space to the right, with  the  possi-
       bility  of the rightmost character on the line being lost.
       The insertion operation does not change the  cursor  posi-
       tion.


RETURN VALUE

       All  routines that return an integer return ERR upon fail-
       ure and OK (SVr4 specifies only "an  integer  value  other
       than  ERR")  upon  successful completion, unless otherwise
       noted in the preceding routine descriptions.

       Functions with a "mv" prefix first perform a cursor  move-
       ment  using  wmove, and return an error if the position is
       outside the window, or if the window pointer is null.


NOTES

       These routines do not necessarily imply use of a  hardware
       insert character feature.

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


PORTABILITY

       These  functions are described in the XSI Curses standard,
       Issue 4.


SEE ALSO

       curses(3x).

       Comparable  functions  in  the  wide-character  (ncursesw)
       library are described in curs_ins_wch(3x).



                                                         curs_insch(3x)

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