extern "C" {
  #include <lua.h>
  #include <lauxlib.h>
  #include <lualib.h>
}

void loadLLibs(lua_State*);

int pushvector3i(lua_State*,long,long,long);
int pushvector3d(lua_State*,double,double,double);
int popvector3i(lua_State*,long*,long*,long*);
int popvector3d(lua_State*,double*,double*,double*);