OPT_ERR = -1, OPT_EOF = 0, OPT_HELP
} OPTION_CHOICE;
-OPTIONS errstr_options[] = {
+const OPTIONS errstr_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [options] errnum...\n"},
{OPT_HELP_STR, 1, '-', " errnum Error number\n"},
{"help", OPT_HELP, '-', "Display this summary"},