diff --git a/headers/posix/termios.h b/headers/posix/termios.h
index bd98547a42..2f843111aa 100644
--- a/headers/posix/termios.h
+++ b/headers/posix/termios.h
@@ -234,6 +234,8 @@ extern int		tcflow(int fd, int action);
 extern int		tcflush(int fd, int queueSelector);
 extern pid_t	tcgetsid(int fd);
 extern int		tcsetsid(int fd, pid_t pid);
+extern int		tcgetwinsize(int fd, struct winsize* winsize);
+extern int		tcsetwinsize(int fd, const struct winsize* winsize);
 
 #ifdef __cplusplus
 }
diff --git a/src/system/libroot/posix/termios.c b/src/system/libroot/posix/termios.c
index 818157975a..ce0ebed5f4 100644
--- a/src/system/libroot/posix/termios.c
+++ b/src/system/libroot/posix/termios.c
@@ -194,3 +194,16 @@ tcsetsid(int fd, pid_t pid)
 	return ioctl(fd, TIOCSCTTY, NULL);
 }
 
+
+int
+tcgetwinsize(int fd, struct winsize* winsize)
+{
+	return ioctl(fd, TIOCGWINSZ, winsize, sizeof(*winsize));
+}
+
+
+int
+tcsetwinsize(int fd, const struct winsize* winsize)
+{
+	return ioctl(fd, TIOCSWINSZ, winsize, sizeof(*winsize));
+}