text: 
  /* Copyright (C) 1999-2022 by The D Language Foundation, All Rights Reserved
   * written by Walter Bright
   * https://www.digitalmars.com
   * Distributed under the Boost Software License, Version 1.0.
   * https://www.boost.org/LICENSE_1_0.txt
   * https://github.com/dlang/dmd/blob/master/src/dmd/root/port.h
   */
  
  #pragma once
  
  // Portable wrapper around compiler/system specific things.
  // The idea is to minimize #ifdef's in the app code.
  
  #include "dsystem.h"
  #include "dcompat.h"
  
  typedef unsigned char utf8_t;
  
  struct Port
  {
      static int memicmp(const char *s1, const char *s2, d_size_t n);
      static char *strupr(char *s);
  
      static bool isFloat32LiteralOutOfRange(const char *s);
      static bool isFloat64LiteralOutOfRange(const char *s);
  
      static void writelongLE(unsigned value, void *buffer);
      static unsigned readlongLE(const void *buffer);
      static void writelongBE(unsigned value, void *buffer);
      static unsigned readlongBE(const void *buffer);
      static unsigned readwordLE(const void *buffer);
      static unsigned readwordBE(const void *buffer);
      static void valcpy(void *dst, uint64_t val, d_size_t size);
  };
  