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[unix-history] / usr / src / cmd / tty.c

/*
* Type tty name
*/

char    *ttyname();

main(argc, argv)
char **argv;
{
       register char *p;

       p = ttyname(0);
       if(argc==2 && !strcmp(argv[1], "-s"))
               ;
       else
               printf("%s\n", (p? p: "not a tty"));
       exit(p? 0: 1);
}