Teach file to recognize xz archives and old style tarballs.

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/lib.h b/lib/lib.h
index 5ce29380..080c533f 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -265,6 +265,8 @@ long long millitime(void);
 char *format_iso_time(char *buf, size_t len, struct timespec *ts);
 void reset_env(struct passwd *p, int clear);
 void loggit(int priority, char *format, ...);
+unsigned tar_cksum(void *data);
+int is_tar_header(void *pkt);
 
 #define HR_SPACE 1 // Space between number and units
 #define HR_B     2 // Use "B" for single byte units