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#ifndef COMPAT_H
#define COMPAT_H
#include <lua.h>
#include <lauxlib.h>
#if LUA_VERSION_NUM == 501
void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup);
void *luaL_testudata(lua_State *L, int ud, const char *tname);
#endif
#ifdef __MINGW32__
#include <sys/types.h>
#endif
// Windows compatibility; define DWORD and TRUE/FALSE on non-Windows
#ifndef _WIN32
#ifndef DWORD
#define DWORD unsigned long
#endif
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#endif
#ifdef _MSC_VER
// MSVC Windows doesn't have ssize_t, so we define it here
#if SIZE_MAX == UINT_MAX
typedef int ssize_t; /* common 32 bit case */
#define SSIZE_MIN INT_MIN
#define SSIZE_MAX INT_MAX
#elif SIZE_MAX == ULONG_MAX
typedef long ssize_t; /* linux 64 bits */
#define SSIZE_MIN LONG_MIN
#define SSIZE_MAX LONG_MAX
#elif SIZE_MAX == ULLONG_MAX
typedef long long ssize_t; /* windows 64 bits */
#define SSIZE_MIN LLONG_MIN
#define SSIZE_MAX LLONG_MAX
#elif SIZE_MAX == USHRT_MAX
typedef short ssize_t; /* is this even possible? */
#define SSIZE_MIN SHRT_MIN
#define SSIZE_MAX SHRT_MAX
#elif SIZE_MAX == UINTMAX_MAX
typedef intmax_t ssize_t; /* last resort, chux suggestion */
#define SSIZE_MIN INTMAX_MIN
#define SSIZE_MAX INTMAX_MAX
#else
#error platform has exotic SIZE_MAX
#endif
#endif // _MSC_VER
#endif // COMPAT_H
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