patch 9.0.1485: no functions for converting from/to UTF-16 index Commit: https://github.com/vim/vim/commit/67672ef097dd708244ff042a8364994da2b91e75 Author: Christian Brabandt <cb@256bit.org> Date: Mon Apr 24 21:09:54 2023 +0100 patch 9.0.1485: no functions for converting from/to UTF-16 index Problem: no functions for converting from/to UTF-16 index. Solution: Add UTF-16 flag to existing funtions and add strutf16len() and utf16idx(). (Yegappan Lakshmanan, closes #12216)

/*
 * 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;
}