azio.c, azlib.h:

  Don't use typedef 'voidpc' as later addition and not needed

storage/archive/azio.c

@@ -510,7 +510,7 @@ unsigned int ZEXPORT azread ( azio_stream *s, voidp buf, unsigned int len, int *
   Writes the given number of uncompressed bytes into the compressed file.
   azwrite returns the number of bytes actually written (0 in case of error).
 */
-unsigned int azwrite (azio_stream *s, voidpc buf, unsigned int len)
+unsigned int azwrite (azio_stream *s, const voidp buf, unsigned int len)
 {
   s->stream.next_in = (Bytef*)buf;
   s->stream.avail_in = len;

storage/archive/azlib.h

@@ -273,7 +273,7 @@ extern unsigned int azread ( azio_stream *s, voidp buf, unsigned int len, int *e
      gzread returns the number of uncompressed bytes actually read (0 for
    end of file, -1 for error). */
 
-extern unsigned int azwrite (azio_stream *s, voidpc buf, unsigned int len);
+extern unsigned int azwrite (azio_stream *s, const voidp buf, unsigned int len);
 /*
      Writes the given number of uncompressed bytes into the compressed file.
    azwrite returns the number of uncompressed bytes actually written