Description: Re-open stdout in a way that works on Linux.
Author: Michael Meskes <meskes@debian.org>

--- bsdmainutils/usr.bin/write/write.c	2017-12-20 11:37:51.796262348 +0100
+++ bsdmainutils/usr.bin/write/write.c	2017-12-20 12:54:59.348830683 +0100
@@ -298,17 +268,13 @@
 {
 	char *nows;
 	time_t now;
-	char host[MAXHOSTNAMELEN];
+	char path[MAXPATHLEN], host[MAXHOSTNAMELEN];
 	wchar_t line[512];
 	int fd;
 
-	fd = openat(devfd, tty, O_WRONLY);
-	if (fd < 0)
-		err(1, "openat(%s%s)", _PATH_DEV, tty);
-	fclose(stdout);
-	stdout = fdopen(fd, "w");
-	if (stdout == NULL)
-		err(1, "%s%s", _PATH_DEV, tty);
+	(void)snprintf(path, sizeof(path), "%s%s", _PATH_DEV, tty);
+	if ((freopen(path, "w", stdout)) == NULL)
+		err(1, "%s", path);
 
 	(void)signal(SIGINT, done);
 	(void)signal(SIGHUP, done);