1  /* do not edit automatically generated by mc from IO.  */
       2  /* IO.def provides Read, Write, Errors procedures mapping onto 0, 1 and 2.
       3  
       4  Copyright (C) 2001-2023 Free Software Foundation, Inc.
       5  Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
       6  
       7  This file is part of GNU Modula-2.
       8  
       9  GNU Modula-2 is free software; you can redistribute it and/or modify
      10  it under the terms of the GNU General Public License as published by
      11  the Free Software Foundation; either version 3, or (at your option)
      12  any later version.
      13  
      14  GNU Modula-2 is distributed in the hope that it will be useful, but
      15  WITHOUT ANY WARRANTY; without even the implied warranty of
      16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      17  General Public License for more details.
      18  
      19  Under Section 7 of GPL version 3, you are granted additional
      20  permissions described in the GCC Runtime Library Exception, version
      21  3.1, as published by the Free Software Foundation.
      22  
      23  You should have received a copy of the GNU General Public License and
      24  a copy of the GCC Runtime Library Exception along with this program;
      25  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      26  <http://www.gnu.org/licenses/>.  */
      27  
      28  
      29  #if !defined (_IO_H)
      30  #   define _IO_H
      31  
      32  #include "config.h"
      33  #include "system.h"
      34  #   ifdef __cplusplus
      35  extern "C" {
      36  #   endif
      37  #   if !defined (PROC_D)
      38  #      define PROC_D
      39         typedef void (*PROC_t) (void);
      40         typedef struct { PROC_t proc; } PROC;
      41  #   endif
      42  
      43  
      44  #   if defined (_IO_C)
      45  #      define EXTERN
      46  #   else
      47  #      define EXTERN extern
      48  #   endif
      49  
      50  EXTERN void IO_Read (char *ch);
      51  EXTERN void IO_Write (char ch);
      52  EXTERN void IO_Error (char ch);
      53  
      54  /*
      55     UnBufferedMode - places file descriptor, fd, into an unbuffered mode.
      56  */
      57  
      58  EXTERN void IO_UnBufferedMode (int fd, unsigned int input);
      59  
      60  /*
      61     BufferedMode - places file descriptor, fd, into a buffered mode.
      62  */
      63  
      64  EXTERN void IO_BufferedMode (int fd, unsigned int input);
      65  
      66  /*
      67     EchoOn - turns on echoing for file descriptor, fd.  This
      68              only really makes sence for a file descriptor opened
      69              for terminal input or maybe some specific file descriptor
      70              which is attached to a particular piece of hardware.
      71  */
      72  
      73  EXTERN void IO_EchoOn (int fd, unsigned int input);
      74  
      75  /*
      76     EchoOff - turns off echoing for file descriptor, fd.  This
      77               only really makes sence for a file descriptor opened
      78               for terminal input or maybe some specific file descriptor
      79               which is attached to a particular piece of hardware.
      80  */
      81  
      82  EXTERN void IO_EchoOff (int fd, unsigned int input);
      83  #   ifdef __cplusplus
      84  }
      85  #   endif
      86  
      87  #   undef EXTERN
      88  #endif