46 static const char *match_opt(int optchar, const char *optstring);
164     int     optchar;  in OS_GetOpt()  local
200         optchar = arg[1];  in OS_GetOpt()
202         if (optchar == '-')            // End of options when '--' is encountered  in OS_GetOpt()
219         optchar = arg[1];  in OS_GetOpt()
221         if (optchar == '-')            // End of options when '--' is encountered  in OS_GetOpt()
229     opt = match_opt(optchar, optstring);  in OS_GetOpt()
233         OSi_OptOpt = optchar;          // Unknown option  in OS_GetOpt()
245                 OSi_OptOpt = optchar;  // OptArg not present.  in OS_GetOpt()
257     return optchar;  in OS_GetOpt()
260 static const char *match_opt(int optchar, const char *optstring)  in match_opt()  argument
267     if (optchar != ':')  in match_opt()
271             if (optchar == *optstring)  in match_opt()