Annotation of src/usr.bin/ssh/pty.h, Revision 1.4
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:
1.4 ! deraadt 16: /* RCSID("$Id: pty.h,v 1.3 1999/11/24 19:53:49 markus 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: */
1.4 ! deraadt 27: int pty_allocate(int *ptyfd, int *ttyfd, char *ttyname, int ttynamelen);
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 */