| /* |
| |
| pty.h |
| |
| Author: Tatu Ylonen <ylo@cs.hut.fi> |
| |
| Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland |
| All rights reserved |
| |
| Created: Fri Mar 17 05:03:28 1995 ylo |
| |
| Functions for allocating a pseudo-terminal and making it the controlling |
| tty. |
| |
| */ |
| |
| /* RCSID("$Id: pty.h,v 1.1 1999/10/27 03:42:44 damien Exp $"); */ |
| |
| #ifndef PTY_H |
| #define PTY_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 *ptyfd, int *ttyfd, char *ttyname); |
| |
| /* Releases the tty. Its ownership is returned to root, and permissions to |
| 0666. */ |
| void pty_release(const char *ttyname); |
| |
| /* 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 *ttyfd, const char *ttyname); |
| |
| /* Changes the window size associated with the pty. */ |
| void pty_change_window_size(int ptyfd, int row, int col, |
| int xpixel, int ypixel); |
| |
| #endif /* PTY_H */ |