ttyname() - question

[andre]

In article <99 at lkbpyr.UUCP> jonas at lkbpyr.UUCP (Jonas Heyman) writes:
]I was wondering why this work:
]#include <stdio.h>
]main()
]{
]       char *term;
]       char *ttyname();
]       term=ttyname();
]       printf("%d",term);
]}

Because you were lucky,

]And why this don't:
]--------------------------------------
]#include <stdio.h>
]main()
]{
]       test();
]}
]
]test()
]{
]       char *term;
]       char *ttyname();
]       term=ttyname();
]       printf("%d",term);
]}

because you were not lucky, there was something else on the stack.

The *MANUAL* says, char *ttyname(filedes).
So if you use in on stdin it will work:

term=ttyname(0);

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