Definitions to include in a C++ program so that it
can be compiled and run under both unix and windows
_______________________________________________________________

#ifdef _WIN32

#include <io.h>
#pragma warning (disable:4267)
#pragma warning (disable:4996)
#pragma warning (disable:4018)
int strcasecmp(const char * s1, const char * s2) { return _stricmp(s1, s2); }

#if _MSC_VER >= 1400

       // this detects visual studio 2005 or later
       // nothing else to do in this case.

       // if you need more detailed detection:
       //     _MSC_VER < 1400 && _MSC_VER >= 1310  // is for .NET 2003
       //     _MSC_VER < 1310 && _MSC_VER >= 1300  // is for .NET 2002
       //     _MSC_VER < 1300 && _MSC_VER >= 1200  // is for version 6

#else

int close(int fd) { return _close(fd); }
int open(const char * filename, int flags) { return _open(filename, flags); }
int open(const char * filename, int flags, int protection) { return _open(filename, flags, protection); }
int read(int fd, void * address, int nbytes) { return _read(fd, address, nbytes); }
int write(int fd, void * address, int nbytes) { return _write(fd, address, nbytes); }
int lseek(int fd, int offset, int from) { return _lseek(fd, offset, from); }
const int O_RDONLY = _O_RDONLY;
const int O_WRONLY = _O_WRONLY;
const int O_CREAT = _O_CREAT;
const int O_TRUNC = _O_TRUNC;  
const int O_RDWR = _O_RDWR;
const int O_BINARY = _O_BINARY;
const int S_IWRITE = _S_IWRITE;

#endif

#endif

#ifdef unix

#include <unistd.h>
#include <fcntl.h> 
const int S_IWRITE = 0600;

#endif