Function lua_stringtonumber

extlibs/lua/src/lapi.c:344–349

LUA_API size_t lua_stringtonumber (lua_State *L, const char *s) {
  size_t sz = luaO_str2num(s, s2v(L->top));
  if (sz != 0)
    api_incr_top(L);
  return sz;
}


LUA_API lua_Number lua_tonumberx (lua_State *L, int idx, int *pisnum) {