diff --git a/cwriter/writer.go b/cwriter/writer.go
index 1fd9d95..1de453a 100644
--- a/cwriter/writer.go
+++ b/cwriter/writer.go
@@ -2,8 +2,8 @@
 
 import (
 	"bytes"
+	"fmt"
 	"io"
-	"fmt"
 )
 
 // ESC is the ASCII code for escape character
@@ -48,3 +48,7 @@
 func (w *Writer) Write(b []byte) (n int, err error) {
 	return w.buf.Write(b)
 }
+
+func (w *Writer) WriteString(s string) (n int, err error) {
+	return w.buf.WriteString(s)
+}
diff --git a/cwriter/writer_posix.go b/cwriter/writer_posix.go
index cd166e0..c6a1551 100644
--- a/cwriter/writer_posix.go
+++ b/cwriter/writer_posix.go
@@ -4,18 +4,18 @@
 
 import (
 	"fmt"
+	"strings"
 	"syscall"
 	"unsafe"
-	"strings"
 )
 
 func (w *Writer) clearLines() {
 	fmt.Fprint(w.out, strings.Repeat(clearCursorAndLine, w.lineCount))
 }
 
-// GetTermSize returns the dimensions of the given terminal.
+// TermSize returns the dimensions of the given terminal.
 // the code is stolen from "golang.org/x/crypto/ssh/terminal"
-func GetTermSize() (width, height int, err error) {
+func TermSize() (width, height int, err error) {
 	var dimensions [4]uint16
 
 	if _, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(syscall.Stdout), uintptr(syscall.TIOCGWINSZ), uintptr(unsafe.Pointer(&dimensions)), 0, 0, 0); err != 0 {