- unsigned char *in; /* local strm->next_in */
- unsigned char *last; /* while in < last, enough input available */
- unsigned char *out; /* local strm->next_out */
- unsigned char *beg; /* inflate()'s initial strm->next_out */
- unsigned char *end; /* while out < end, enough space available */
+ const unsigned char *in; /* local strm->next_in */
+ const unsigned char *last; /* while in < last, enough input available */
+ unsigned char *out; /* local strm->next_out */
+ unsigned char *beg; /* inflate()'s initial strm->next_out */
+ unsigned char *end; /* while out < end, enough space available */