[-(0|1), +1, m]
void luaL_register (lua_State *L,
const char *libname,
const luaL_Reg *l);
Opens a library.
When called with libname equal to NULL ,
it simply registers all functions in the list l
(see luaL_Reg ) into the table on the top of the stack.
When called with a non-null libname ,
luaL_register creates a new table t ,
sets it as the value of the global variable libname ,
sets it as the value of package.loaded[libname] ,
and registers on it all functions in the list l .
If there is a table in package.loaded[libname] or in
variable libname ,
reuses this table instead of creating a new one.
In any case the function leaves the table
on the top of the stack. |