Xref: utzoo comp.lang.c:21328 comp.lang.c++:4510
Path: utzoo!utgpu!watmath!att!dptg!rutgers!apple!brutus.cs.uiuc.edu!wuarchive!wugate!uunet!mcsun!hp4nl!targon!andre
From: andre@targon.UUCP (andre)
Newsgroups: comp.lang.c,comp.lang.c++
Subject: Re: ttyname() - question
Message-ID: <612@targon.UUCP>
Date: 30 Aug 89 12:25:05 GMT
References: <99@lkbpyr.UUCP>
Reply-To: andre@targon.UUCP (andre)
Organization: Nixdorf Computer BV., DO, P.O. Box 29,Vianen, The Netherlands
Lines: 41

In article <99@lkbpyr.UUCP> jonas@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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