insch, winsch, mvinsch, mvwinsch - insert a character
before cursor in a curses window
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);
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-
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.
These routines do not necessarily imply use of a hardware
insert character feature.
Note that insch, mvinsch, and mvwinsch may be macros.
These functions are described in the XSI Curses standard,