BSD 3 development

[unix-history] / .ref-BSD-2 / src / net / nettest.c

/* Copyright (c) 1979 Regents of the University of California */
# include <stdio.h>
# include "mach.h"
# include "Paths.h"

main(argc,argv)
 char **argv; {
       int pip1[2],pip2[2];
       char b1[20],b2[20];
       char *command1,*command2;
       command1 = argc > 1 ? argv[1] : NETDAEMON;
       command2 = argc > 2 ? argv[2] : NETDAEMON;
       pipe(pip1);
       pipe(pip2);
       if(fork()){
               /* read pip1[0], write pip2[1] */
               close(pip1[1]); close(pip2[0]);
               sprintf(b1,"%d",pip1[0]);
               sprintf(b2,"%d",pip2[1]);
               execl(command1,command1,"y",b1,b2,0);
               }
       /* read pip2[0], write pip1[1] */
       close(pip2[1]); close(pip1[0]);
       sprintf(b1,"%d",pip2[0]);
       sprintf(b2,"%d",pip1[1]);
       execl(command2,command2,"v",b1,b2,0);
       }