4.3BSD - /usr/src/usr.bin/tty.c

   1: static char *sccsid = "@(#)tty.c	4.1 (Berkeley) 10/1/80";
   2: /*
   3:  * Type tty name
   4:  */
   5: 
   6: char    *ttyname();
   7: 
   8: main(argc, argv)
   9: char **argv;
  10: {
  11:     register char *p;
  12: 
  13:     p = ttyname(0);
  14:     if(argc==2 && !strcmp(argv[1], "-s"))
  15:         ;
  16:     else
  17:         printf("%s\n", (p? p: "not a tty"));
  18:     exit(p? 0: 1);
  19: }

Defined functions

Defined variables