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Contents
/* Public Domain Curses */
#include <curspriv.h>
/*man-start**************************************************************
beep
----
### Synopsis
int beep(void);
int flash(void);
### Description
beep() sounds the audible bell on the terminal, if possible;
if not, it calls flash().
flash() "flashes" the screen, by inverting the foreground and
background of every cell, pausing, and then restoring the
original attributes.
### Return Value
These functions return OK.
### Portability
X/Open BSD SYS V
beep Y Y Y
flash Y Y Y
**man-end****************************************************************/
int beep(void)
{
PDC_LOG(("beep() - called\n"));
if (SP->audible)
PDC_beep();
else
flash();
return OK;
}
int flash(void)
{
int z, y, x;
PDC_LOG(("flash() - called\n"));
/* Reverse each cell; wait; restore the screen */
for (z = 0; z < 2; z++)
{
for (y = 0; y < LINES; y++)
for (x = 0; x < COLS; x++)
curscr->_y[y][x] ^= A_REVERSE;
wrefresh(curscr);
if (!z)
napms(50);
}
return OK;
}
Version data entries
8 entries across 8 versions & 1 rubygems