{
size_t buf_size = 65536; /* buffer memory defaults to 64 KiB */
int flags = init_flags(*argv);
- char *ifile = "from standard input";
- char *ofile = NULL;
+ const char *ifile = "from standard input";
+ const char *ofile = NULL;
int opt;
struct option longopts[8] = {
{"decode", no_argument, NULL, 'd'},