text: /*
  ** $Id: lprefix.h,v 1.2.1.1 2017/04/19 17:20:42 roberto Exp $
  ** Definitions for Lua code that must come before any other header file
  ** See Copyright Notice in lua.h
  */
  
  #ifndef lprefix_h
  #define lprefix_h
  
  
  /*
  ** Allows POSIX/XSI stuff
  */
  #if !defined(LUA_USE_C89)	/* { */
  
  #if !defined(_XOPEN_SOURCE)
  #define _XOPEN_SOURCE           600
  #elif _XOPEN_SOURCE == 0
  #undef _XOPEN_SOURCE  /* use -D_XOPEN_SOURCE=0 to undefine it */
  #endif
  
  /*
  ** Allows manipulation of large files in gcc and some other compilers
  */
  #if !defined(LUA_32BITS) && !defined(_FILE_OFFSET_BITS)
  #define _LARGEFILE_SOURCE       1
  #define _FILE_OFFSET_BITS       64
  #endif
  
  #endif				/* } */
  
  
  /*
  ** Windows stuff
  */
  #if defined(_WIN32) 	/* { */
  
  #if !defined(_CRT_SECURE_NO_WARNINGS)
  #define _CRT_SECURE_NO_WARNINGS  /* avoid warnings about ISO C functions */
  #endif
  
  #endif			/* } */
  
  #endif
  
  