Function checkclib

lib/lua/src/loadlib.c:326–333

** return registry.CLIBS[path] */

** return registry.CLIBS[path]
*/
static void *checkclib (lua_State *L, const char *path) {
  void *plib;
  lua_getfield(L, LUA_REGISTRYINDEX, CLIBS);
  lua_getfield(L, -1, path);
  plib = lua_touserdata(L, -1);  /* plib = CLIBS[path] */
  lua_pop(L, 2);  /* pop CLIBS table and 'plib' */
  return plib;
}


/*