Function lsys_sym

extlibs/lua/src/loadlib.c:133–137

static lua_CFunction lsys_sym (lua_State *L, void *lib, const char *sym) {
  lua_CFunction f = cast_func(dlsym(lib, sym));
  if (f == NULL) lua_pushstring(L, dlerror());
  return f;
}

/* }====================================================== */