/*** $Id: lstring.h,v 1.56 2014/07/18 14:46:47 roberto Exp $** String table (keep all strings handled by Lua)** See Copyright Notice in lua.h*/ #ifndef lstring_h#define lstring_h #include "lgc.h"#include "lobject.h"#include "lstate.h"  #define sizelstring(l)  (sizeof(union UTString) + ((l) + 1) * sizeof(char))#define sizestring(s)	sizelstring((s)->len) #define sizeludata(l)	(sizeof(union UUdata) + (l))#define sizeudata(u)	sizeludata((u)->len) #define luaS_newliteral(L, s)	(luaS_newlstr(L, "" s, \                                 (sizeof(s)/sizeof(char))-1))  /*** test whether a string is a reserved word*/#define isreserved(s)	((s)->tt == LUA_TSHRSTR && (s)->extra > 0)  /*** equality for short strings, which are always internalized*/#define eqshrstr(a,b)	check_exp((a)->tt == LUA_TSHRSTR, (a) == (b))  LUAI_FUNC unsigned int luaS_hash (const char *str, size_t l, unsigned int seed);LUAI_FUNC int luaS_eqlngstr (TString *a, TString *b);LUAI_FUNC void luaS_resize (lua_State *L, int newsize);LUAI_FUNC void luaS_remove (lua_State *L, TString *ts);LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s);LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);LUAI_FUNC TString *luaS_new (lua_State *L, const char *str);  #endif