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Annotation of 41BSD/cmd/berknet/nettest.c, revision 1.1

1.1     ! root        1: /*
        !             2: 
        !             3:        nettest.c
        !             4: 
        !             5:        fire up two daemons with pipes in between them
        !             6: */
        !             7: # include "defs.h"
        !             8: 
        !             9: # define NETD "netdaemon"
        !            10: 
        !            11: main(argc,argv)
        !            12:   char **argv; {
        !            13:        int pip1[2],pip2[2];
        !            14:        char b1[20],b2[20],b3[20];
        !            15:        char *margv[30];
        !            16:        int i;
        !            17:        debugflg = 1;
        !            18:        for(i =0; i < argc; i++)margv[i] = argv[i];
        !            19:        pipe(pip1);
        !            20:        pipe(pip2);
        !            21:        if(fork()){
        !            22:                /* read pip1[0], write pip2[1] */
        !            23:                close(pip1[1]); close(pip2[0]);
        !            24:                sprintf(b1,"-r%d",pip1[0]);
        !            25:                sprintf(b2,"-w%d",pip2[1]);
        !            26:                margv[i++] = b1;
        !            27:                margv[i++] = b2;
        !            28:                margv[i++] = "-mr";
        !            29:                margv[i] = 0;
        !            30:                mexecv(NETD,margv);
        !            31:                }
        !            32:        /* read pip2[0], write pip1[1] */
        !            33:        close(pip2[1]); close(pip1[0]);
        !            34:        sleep(5);
        !            35:        sprintf(b1,"-r%d",pip2[0]);
        !            36:        sprintf(b2,"-w%d",pip1[1]);
        !            37:        margv[i++] = b1;
        !            38:        margv[i++] = b2;
        !            39:        margv[i++] = "-mv";
        !            40:        margv[i] = 0;
        !            41:        mexecv(NETD,margv);
        !            42:        }

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