402 static void fatalUsage(const char *name, const char *msg, const char *arg)  in fatalUsage()  function
464                 fatalUsage(appName, "unknown argument", argv[i]);  in main()
473                     fatalUsage(appName, "too many positional arguments", argv[i]);  in main()
479         fatalUsage(appName, "missing argument after", prev);  in main()
482         fatalUsage(appName, "missing input file name", NULL);  in main()
492         fatalUsage(appName, "select either -s, -t, or -b", NULL);  in main()
497         fatalUsage(appName, "We need both PUB (-m) and PVT (-e) keys for signing", NULL);  in main()
500         fatalUsage(appName, "We only need PUB (-m)  key for signature checking", NULL);  in main()
504             fatalUsage(appName, "Can't read PVT key from", keyPvtFile);  in main()
513             fatalUsage(appName, "Can't read PUB key from", keyPubFile);  in main()
539         fatalUsage(appName, "failed to create/open output file", posArg[1]);  in main()