diff --git a/usr.bin/make/buf.c b/usr.bin/make/buf.c
index 0da71e75a829..b4e86dd062b0 100644
--- a/usr.bin/make/buf.c
+++ b/usr.bin/make/buf.c
@@ -70,6 +70,18 @@ Buf_Size(const Buffer *buf)
 	return (buf->end - buf->buf);
 }
 
+/**
+ * Returns a reference to the data contained in the buffer.
+ *  
+ * @note Adding data to the Buffer object may invalidate the reference.
+ */
+inline char *
+Buf_Data(const Buffer *bp)
+{
+
+	return (bp->buf);
+}
+
 /**
  * Expand the buffer to hold the number of additional bytes, plus
  * space to store a terminating NULL byte.
@@ -222,12 +234,23 @@ Buf_Append(Buffer *bp, const char str[])
 	Buf_AddBytes(bp, strlen(str), str);
 }
 
+/**
+ * Append characters in buf to Buffer object
+ */
+void
+Buf_AppendBuf(Buffer *bp, const Buffer *buf)
+{
+
+	Buf_AddBytes(bp, Buf_Size(buf), buf->buf);
+}
+
 /**
  * Append characters between str and end to Buffer object.
  */
 void
 Buf_AppendRange(Buffer *bp, const char str[], const char *end)
 {
+
 	Buf_AddBytes(bp, end - str, str);
 }
 
diff --git a/usr.bin/make/buf.h b/usr.bin/make/buf.h
index 868acb783400..0ff54d9d4d6b 100644
--- a/usr.bin/make/buf.h
+++ b/usr.bin/make/buf.h
@@ -76,16 +76,17 @@ typedef struct Buffer {
 
 void Buf_AddByte(Buffer *, Byte);
 void Buf_AddBytes(Buffer *, size_t, const Byte *);
-Byte *Buf_GetAll(Buffer *, size_t *);
-void Buf_Clear(Buffer *);
-size_t Buf_Size(const Buffer *);
-Buffer *Buf_Init(size_t);
-void Buf_Destroy(Buffer *, Boolean);
-void Buf_ReplaceLastByte(Buffer *, Byte);
-char *Buf_Peel(Buffer *);
-
 void Buf_Append(Buffer *, const char []);
+void Buf_AppendBuf(Buffer *, const Buffer *);
 void Buf_AppendRange(Buffer *, const char [], const char *);
+void Buf_Clear(Buffer *);
+char *Buf_Data(const Buffer *);
+void Buf_Destroy(Buffer *, Boolean);
+Byte *Buf_GetAll(Buffer *, size_t *);
+Buffer *Buf_Init(size_t);
+char *Buf_Peel(Buffer *);
+void Buf_ReplaceLastByte(Buffer *, Byte);
+size_t Buf_Size(const Buffer *);
 void Buf_StripNewlines(Buffer *);
 
 #endif /* buf_h_a61a6812 */