usr/src/ucb/berknet/setmode.c

static char sccsid[] = "@(#)setmode.c   4.1     (Berkeley)      10/2/82";

/*
        setmode.c

        used to set the mode to cat files to check the net tty drivers
*/
# include <stdio.h>
# include <sgtty.h>
main(argc,argv)
  char **argv; {
        struct sgttyb stt;
        FILE *readtty;
        if(fork() != 0)exit(0);
        printf("kill %d\n",getpid());
        readtty = fopen(argv[1],"w");
        if(readtty == NULL)goto err1;
        if(gtty(fileno(readtty),&stt) < 0)goto err2;
        stt.sg_ispeed = stt.sg_ospeed = 9;  /* 1200 baud */
        stt.sg_erase = stt.sg_kill = 0;         /* erase and kill off */
        stt.sg_flags = ANYP;    /* even and odd parity, off everything else */
        if(stty(fileno(readtty),&stt) < 0)goto err3;
        sleep(30000);
err1:
        printf("Error1: ");
        perror(argv[1]);
        exit(1);
err2:
        printf("Error2: ");
        perror(argv[1]);
        exit(1);
err3:
        printf("Error3: ");
        perror(argv[1]);
        exit(1);
        }