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41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
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/*
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pty.h
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Author: Tatu Ylonen <ylo@cs.hut.fi>
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Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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All rights reserved
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Created: Fri Mar 17 05:03:28 1995 ylo
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Functions for allocating a pseudo-terminal and making it the controlling
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tty.
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*/
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/* RCSID("$Id: pty.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */
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#ifndef PTY_H
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#define PTY_H
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/* Allocates and opens a pty. Returns 0 if no pty could be allocated,
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or nonzero if a pty was successfully allocated. On success, open file
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descriptors for the pty and tty sides and the name of the tty side are
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returned (the buffer must be able to hold at least 64 characters). */
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int pty_allocate(int *ptyfd, int *ttyfd, char *ttyname);
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/* Releases the tty. Its ownership is returned to root, and permissions to
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0666. */
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void pty_release(const char *ttyname);
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/* Makes the tty the processes controlling tty and sets it to sane modes.
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This may need to reopen the tty to get rid of possible eavesdroppers. */
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void pty_make_controlling_tty(int *ttyfd, const char *ttyname);
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/* Changes the window size associated with the pty. */
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void pty_change_window_size(int ptyfd, int row, int col,
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int xpixel, int ypixel);
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#endif /* PTY_H */
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