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winsch.c
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C/C++ Source or Header
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1990-03-09
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780b
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35 lines
/*------------------------------------------------------------
*
* winsch.c
*
* copyright (c) 1987,88,89,90 J. Alan Eldridge
*
* inserts a char at the cursor position in a window
* rightmost char on line falls off
*
*----------------------------------------------------------*/
#include "curses.h"
int
winsch(win, ch)
WINDOW *win;
int ch;
{
int cury, curx, cnt;
VIDCHR *ptr;
getyx(win, cury, curx);
cnt = win->maxx - curx;
markwin(win);
ptr = &(win->buf[cury][curx + cnt]);
memcpy(ptr + 1, ptr, cnt * sizeof(VIDCHR));
win->buf[cury][curx].chr = ch;
win->buf[cury][curx].att = win->attrib;
wmove(win, cury, win->maxx);
markwin(win);
wmove(win, cury, curx);
return OK;
}