view runtime/tools/blink.c @ 17392:27714a031226

Added tag v8.1.1694 for changeset 8a43873df9412c688db7f1e99d50181ff69fd6a6
author Bram Moolenaar <Bram@vim.org>
date Sun, 14 Jul 2019 22:00:06 +0200
parents 64035abb986b
children
line wrap: on
line source

/*
 * An extremely simple program to make the cursor blink in an xterm.
 * This is useful when the cursor is hard to spot in a highlighted file.
 * Start in the background: "blink&"  Stop by killing it.
 * Bram Moolenaar  980109  (based on an idea from John Lange).
 */

#include <stdio.h>
#include <unistd.h>

	int
main(void)
{
	while (1)
	{
		printf("\e[?25h");
		fflush(stdout);
		usleep(400000);		/* on time */
		printf("\e[?25l");
		fflush(stdout);
		usleep(250000);		/* off time */
	}
	return 0;
}