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Annotation of 3BSD/cmd/learn/makpipe.c, revision 1.1

1.1     ! root        1: #include "stdio.h"
        !             2: 
        !             3: makpipe()
        !             4: {
        !             5:        int f[2];
        !             6: 
        !             7:        pipe(f);
        !             8:        if (fork()==0) {
        !             9:                close(f[1]);
        !            10:                close(0);
        !            11:                dup(f[0]);
        !            12:                close(f[0]);
        !            13:                execl ("/bin/sh", "sh", "-i", 0);
        !            14:                execl ("/usr/bin/sh", "sh", "-i", 0);
        !            15:                write(2,"Exec error\n",11);
        !            16:        }
        !            17:        close(f[0]);
        !            18:        sleep(2);       /* so shell won't eat up too much input */
        !            19:        return(f[1]);
        !            20: }

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