1 /*
2 * An extremely simple program to make the cursor blink in an xterm.
3 * This is useful when the cursor is hard to spot in a highlighted file.
4 * Start in the background: "blink&" Stop by killing it.
5 * Bram Moolenaar 980109 (based on an idea from John Lange).
6 */
7
8 #include <stdio.h>
9 #include <unistd.h>
10
11 int
main(void)12 main(void)
13 {
14 while (1)
15 {
16 printf("\e[?25h");
17 fflush(stdout);
18 usleep(400000); /* on time */
19 printf("\e[?25l");
20 fflush(stdout);
21 usleep(250000); /* off time */
22 }
23 return 0;
24 }
25