3 files changed, 8 insertions, 0 deletions

diff --git a/contrib/minizip/unzip.h b/contrib/minizip/unzip.h
index ceb614e7..8e78564e 100644
--- a/contrib/minizip/unzip.h
+++ b/contrib/minizip/unzip.h
@@ -70,6 +70,8 @@ typedef unzFile__ *unzFile;
 typedef voidp unzFile;
 #endif
 
+extern const char unz_copyright[];
+
 
 #define UNZ_OK                          (0)
 #define UNZ_END_OF_LIST_OF_FILE         (-100)
diff --git a/contrib/minizip/zip.h b/contrib/minizip/zip.h
index 9526eacd..2a0fac67 100644
--- a/contrib/minizip/zip.h
+++ b/contrib/minizip/zip.h
@@ -69,6 +69,8 @@ typedef zipFile__ *zipFile;
 typedef voidp zipFile;
 #endif
 
+extern const char zip_copyright[];
+
 #define ZIP_OK                          (0)
 #define ZIP_EOF                         (0)
 #define ZIP_ERRNO                       (Z_ERRNO)
diff --git a/zutil.h b/zutil.h
index acc1907f..0f983f73 100644
--- a/zutil.h
+++ b/zutil.h
@@ -36,6 +36,10 @@
    define "local" for the non-static meaning of "static", for readability
    (compile with -Dlocal if your debugger can't find static symbols) */
 
+extern const char deflate_copyright[];
+extern const char inflate_copyright[];
+extern const char inflate9_copyright[];
+
 typedef unsigned char  uch;
 typedef uch FAR uchf;
 typedef unsigned short ush;