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The C and C++ Include Header Files

/usr/include/pty.h


$ cat -n /usr/include/pty.h

     1	/* Functions for pseudo TTY handling.
     2	   Copyright (C) 1996-2024 Free Software Foundation, Inc.
     3	   This file is part of the GNU C Library.
     4	
     5	   The GNU C Library is free software; you can redistribute it and/or
     6	   modify it under the terms of the GNU Lesser General Public
     7	   License as published by the Free Software Foundation; either
     8	   version 2.1 of the License, or (at your option) any later version.
     9	
    10	   The GNU C Library is distributed in the hope that it will be useful,
    11	   but WITHOUT ANY WARRANTY; without even the implied warranty of
    12	   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13	   Lesser General Public License for more details.
    14	
    15	   You should have received a copy of the GNU Lesser General Public
    16	   License along with the GNU C Library; if not, see
    17	   <https://www.gnu.org/licenses/>.  */
    18	
    19	#ifndef _PTY_H
    20	#define _PTY_H	1
    21	
    22	#include <features.h>
    23	
    24	struct termios;
    25	struct winsize;
    26	
    27	#include <termios.h>
    28	#include <sys/ioctl.h>
    29	
    30	
    31	__BEGIN_DECLS
    32	
    33	/* Create pseudo tty master slave pair with NAME and set terminal
    34	   attributes according to TERMP and WINP and return handles for both
    35	   ends in AMASTER and ASLAVE.  */
    36	extern int openpty (int *__amaster, int *__aslave, char *__name,
    37			    const struct termios *__termp,
    38			    const struct winsize *__winp) __THROW;
    39	
    40	/* Create child process and establish the slave pseudo terminal as the
    41	   child's controlling terminal.  */
    42	extern int forkpty (int *__amaster, char *__name,
    43			    const struct termios *__termp,
    44			    const struct winsize *__winp) __THROW;
    45	
    46	__END_DECLS
    47	
    48	#endif	/* pty.h */