add dpkg-deb command
diff --git a/ar.c b/ar.c
index bd54bb6..596574e 100644
--- a/ar.c
+++ b/ar.c
@@ -39,7 +39,7 @@
 /*
  * return the headerL_t struct for the filename descriptor
  */
-static ar_headers_t get_headers(int srcFd)
+extern ar_headers_t get_headers(int srcFd)
 {
 	typedef struct raw_ar_header_s {	/* Byte Offset */
 		char name[16];	/*  0-15 */