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Annotation of src/usr.bin/ssh/pty.h, Revision 1.3

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:
1.3     ! markus     16: /* RCSID("$Id: pty.h,v 1.2 1999/11/24 00:26:02 deraadt Exp $"); */
1.1       deraadt    17:
                     18: #ifndef PTY_H
                     19: #define PTY_H
                     20:
1.3     ! markus     21: /*
        !            22:  * Allocates and opens a pty.  Returns 0 if no pty could be allocated, or
        !            23:  * nonzero if a pty was successfully allocated.  On success, open file
        !            24:  * descriptors for the pty and tty sides and the name of the tty side are
        !            25:  * returned (the buffer must be able to hold at least 64 characters).
        !            26:  */
1.2       deraadt    27: int     pty_allocate(int *ptyfd, int *ttyfd, char *ttyname);
1.1       deraadt    28:
1.3     ! markus     29: /*
        !            30:  * Releases the tty.  Its ownership is returned to root, and permissions to
        !            31:  * 0666.
        !            32:  */
1.2       deraadt    33: void    pty_release(const char *ttyname);
1.1       deraadt    34:
1.3     ! markus     35: /*
        !            36:  * Makes the tty the processes controlling tty and sets it to sane modes.
        !            37:  * This may need to reopen the tty to get rid of possible eavesdroppers.
        !            38:  */
1.2       deraadt    39: void    pty_make_controlling_tty(int *ttyfd, const char *ttyname);
1.1       deraadt    40:
                     41: /* Changes the window size associated with the pty. */
1.2       deraadt    42: void
                     43: pty_change_window_size(int ptyfd, int row, int col,
                     44:     int xpixel, int ypixel);
1.1       deraadt    45:
1.2       deraadt    46: #endif                         /* PTY_H */