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Annotation of src/usr.bin/ssh/pty.h, Revision 1.2

1.1       deraadt     1: /*
1.2     ! deraadt     2:  *
        !             3:  * pty.h
        !             4:  *
        !             5:  * Author: Tatu Ylonen <ylo@cs.hut.fi>
        !             6:  *
        !             7:  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
        !             8:  *                    All rights reserved
        !             9:  *
        !            10:  * Created: Fri Mar 17 05:03:28 1995 ylo
        !            11:  *
        !            12:  * Functions for allocating a pseudo-terminal and making it the controlling
        !            13:  * tty.
        !            14:  */
1.1       deraadt    15:
1.2     ! deraadt    16: /* RCSID("$Id: pty.h,v 1.1 1999/09/26 20:53:36 deraadt Exp $"); */
1.1       deraadt    17:
                     18: #ifndef PTY_H
                     19: #define PTY_H
                     20:
                     21: /* Allocates and opens a pty.  Returns 0 if no pty could be allocated,
                     22:    or nonzero if a pty was successfully allocated.  On success, open file
1.2     ! deraadt    23:    descriptors for the pty and tty sides and the name of the tty side are
1.1       deraadt    24:    returned (the buffer must be able to hold at least 64 characters). */
1.2     ! deraadt    25: int     pty_allocate(int *ptyfd, int *ttyfd, char *ttyname);
1.1       deraadt    26:
                     27: /* Releases the tty.  Its ownership is returned to root, and permissions to
                     28:    0666. */
1.2     ! deraadt    29: void    pty_release(const char *ttyname);
1.1       deraadt    30:
1.2     ! deraadt    31: /* Makes the tty the processes controlling tty and sets it to sane modes.
1.1       deraadt    32:    This may need to reopen the tty to get rid of possible eavesdroppers. */
1.2     ! deraadt    33: void    pty_make_controlling_tty(int *ttyfd, const char *ttyname);
1.1       deraadt    34:
                     35: /* Changes the window size associated with the pty. */
1.2     ! deraadt    36: void
        !            37: pty_change_window_size(int ptyfd, int row, int col,
        !            38:     int xpixel, int ypixel);
1.1       deraadt    39:
1.2     ! deraadt    40: #endif                         /* PTY_H */