1  /* Gnetwork.h provides prototypes to htonl and htons.
       2  
       3  Copyright (C) 2016-2023 Free Software Foundation, Inc.
       4  Contributed by Gaius Mulley <gaius@glam.ac.uk>.
       5  
       6  This file is part of GNU Modula-2.
       7  
       8  GNU Modula-2 is free software; you can redistribute it and/or modify
       9  it under the terms of the GNU General Public License as published by
      10  the Free Software Foundation; either version 3, or (at your option)
      11  any later version.
      12  
      13  GNU Modula-2 is distributed in the hope that it will be useful, but
      14  WITHOUT ANY WARRANTY; without even the implied warranty of
      15  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      16  General Public License for more details.
      17  
      18  You should have received a copy of the GNU General Public License
      19  along with GNU Modula-2; see the file COPYING3.  If not see
      20  <http://www.gnu.org/licenses/>.  */
      21  
      22  #if !defined(_network_H)
      23  #define _network_H
      24  
      25  #ifdef __cplusplus
      26  extern "C" {
      27  #endif
      28  #if !defined(PROC_D)
      29  #define PROC_D
      30  typedef void (*PROC_t) (void);
      31  typedef struct
      32  {
      33    PROC_t proc;
      34  } PROC;
      35  #endif
      36  
      37  #if defined(_network_C)
      38  #define EXTERN
      39  #else
      40  #define EXTERN extern
      41  #endif
      42  
      43  /* htons returns a network ordered SHORTCARD.  */
      44  
      45  EXTERN short unsigned int network_htons (short unsigned int s);
      46  
      47  /* htonl returns a network ordered CARDINAL.  */
      48  
      49  EXTERN unsigned int network_htonl (unsigned int s);
      50  
      51  #ifdef __cplusplus
      52  }
      53  #endif
      54  
      55  #undef EXTERN
      56  #endif