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Annotation of src/usr.bin/ssh/sshpty.h, Revision 1.1

1.1     ! djm         1: /*
        !             2:  * Author: Tatu Ylonen <ylo@cs.hut.fi>
        !             3:  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
        !             4:  *                    All rights reserved
        !             5:  * Functions for allocating a pseudo-terminal and making it the controlling
        !             6:  * tty.
        !             7:  *
        !             8:  * As far as I am concerned, the code I have written for this software
        !             9:  * can be used freely for any purpose.  Any derived versions of this
        !            10:  * software must be clearly marked as such, and if the derived work is
        !            11:  * incompatible with the protocol description in the RFC file, it must be
        !            12:  * called by a name other than "ssh" or "Secure Shell".
        !            13:  */
        !            14:
        !            15: /* RCSID("$OpenBSD: pty.h,v 1.8 2000/09/07 20:27:52 deraadt Exp $"); */
        !            16:
        !            17: #ifndef SSHPTY_H
        !            18: #define SSHPTY_H
        !            19:
        !            20: /*
        !            21:  * Allocates and opens a pty.  Returns 0 if no pty could be allocated, or
        !            22:  * nonzero if a pty was successfully allocated.  On success, open file
        !            23:  * descriptors for the pty and tty sides and the name of the tty side are
        !            24:  * returned (the buffer must be able to hold at least 64 characters).
        !            25:  */
        !            26: int     pty_allocate(int *ptyfd, int *ttyfd, char *ttyname, int ttynamelen);
        !            27:
        !            28: /*
        !            29:  * Releases the tty.  Its ownership is returned to root, and permissions to
        !            30:  * 0666.
        !            31:  */
        !            32: void    pty_release(const char *ttyname);
        !            33:
        !            34: /*
        !            35:  * Makes the tty the processes controlling tty and sets it to sane modes.
        !            36:  * This may need to reopen the tty to get rid of possible eavesdroppers.
        !            37:  */
        !            38: void    pty_make_controlling_tty(int *ttyfd, const char *ttyname);
        !            39:
        !            40: /* Changes the window size associated with the pty. */
        !            41: void
        !            42: pty_change_window_size(int ptyfd, int row, int col,
        !            43:     int xpixel, int ypixel);
        !            44:
        !            45: void   pty_setowner(struct passwd *pw, const char *ttyname);
        !            46:
        !            47: #endif                         /* SSHPTY_H */