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/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
* All rights reserved
* Functions for allocating a pseudo-terminal and making it the controlling
* tty.
*
* As far as I am concerned, the code I have written for this software
* can be used freely for any purpose. Any derived versions of this
* software must be clearly marked as such, and if the derived work is
* incompatible with the protocol description in the RFC file, it must be
* called by a name other than "ssh" or "Secure Shell".
*/
/* RCSID("$OpenBSD: sshpty.h,v 1.2 2001/06/26 06:33:04 itojun Exp $"); */
#ifndef SSHPTY_H
#define SSHPTY_H
/*
* Allocates and opens a pty. Returns 0 if no pty could be allocated, or
* nonzero if a pty was successfully allocated. On success, open file
* descriptors for the pty and tty sides and the name of the tty side are
* returned (the buffer must be able to hold at least 64 characters).
*/
int pty_allocate(int *, int *, char *, int);
/*
* Releases the tty. Its ownership is returned to root, and permissions to
* 0666.
*/
void pty_release(const char *);
/*
* Makes the tty the processes controlling tty and sets it to sane modes.
* This may need to reopen the tty to get rid of possible eavesdroppers.
*/
void pty_make_controlling_tty(int *, const char *);
/* Changes the window size associated with the pty. */
void pty_change_window_size(int, int, int, int, int);
void pty_setowner(struct passwd *, const char *);
#endif /* SSHPTY_H */
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