fprintf(gErrFile, "usage: xpcshell [-PswWx] [-v version] [-f scriptfile] [-e script] [scriptfile] [scriptarg...]\n");
fprintf(gErrFile, "usage: xpcshell [-PswWxC] [-v version] [-f scriptfile] [-e script] [scriptfile] [scriptarg...]\n");
usage(void){    fprintf(gErrFile, "%s\n", JS_GetImplementationVersion());    fprintf(gErrFile, "usage: xpcshell [-PswWx] [-v version] [-f scriptfile] [-e script] [scriptfile] [scriptarg...]\n");    return 2;}