相关疑难解决方法(0)

如果它是a struct那么就可以完成

*p = {var1, var2..};

但似乎这不起作用union:

union Ptrlist
{
        Ptrlist *next;
            State *s;
};

Ptrlist *l;
l = allocate_space();
*l = {NULL};

只得到:

expected expression before ‘{’ token