165 int main(int _argc,const char **_argv){  in main()  argument
190      _argv[0]);  in main()
194   if(strcmp(_argv[1],"-s")==0){  in main()
196     _argv++;  in main()
202   if(strcmp(_argv[1],"-r")==0){  in main()
203     rate=atoi(_argv[2]);  in main()
217     _argv+=2;  in main()
219   fin1=fopen(_argv[1],"rb");  in main()
221     fprintf(stderr,"Error opening '%s'.\n",_argv[1]);  in main()
224   fin2=fopen(_argv[2],"rb");  in main()
226     fprintf(stderr,"Error opening '%s'.\n",_argv[2]);  in main()