1 files changed, 1 insertions, 3 deletions
diff --git a/zlib/contrib/infback9/infback9.c b/zlib/contrib/infback9/infback9.c
index 7bbe90ced..05fb3e338 100644
--- a/zlib/contrib/infback9/infback9.c
+++ b/zlib/contrib/infback9/infback9.c
@@ -222,14 +222,13 @@ out_func out;
 void FAR *out_desc;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have;              /* available input */
     unsigned long left;         /* available output */
     inflate_mode mode;          /* current inflate mode */
     int lastblock;              /* true if processing last block */
     int wrap;                   /* true if the window has wrapped */
-    unsigned long write;        /* window write index */
     unsigned char FAR *window;  /* allocated sliding window, if needed */
     unsigned long hold;         /* bit buffer */
     unsigned bits;              /* bits in bit buffer */
@@ -259,7 +258,6 @@ void FAR *out_desc;
     strm->msg = Z_NULL;
     mode = TYPE;
     lastblock = 0;
-    write = 0;
     wrap = 0;
     window = state->window;
     next = strm->next_in;