patch 8.1.1015: quickfix buffer shows up in list, can't get buffer number commit https://github.com/vim/vim/commit/647e24ba3dbf7ff448aa471b1a659a18267ae056 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Mar 17 16:39:46 2019 +0100 patch 8.1.1015: quickfix buffer shows up in list, can't get buffer number Problem: Quickfix buffer shows up in list, can't get buffer number. Solution: Make the quickfix buffer unlisted when the quickfix window is closed. get the quickfix buffer number with getqflist(). (Yegappan Lakshmanan, closes #4113)

/*
 * 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;
}