simplified Error Code like this:define point *p;and in the code of if(!p||p->sth),it is ok to running,because of that p is null the left part of condition wouldn't be loaded.You can get rid of the kind of mistake msg . Thanks for your contribution
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simplified Error Code like this:define point *p;and in the code of if(!p||p->sth),it is ok to running,because of that p is null the left part of condition wouldn't be loaded.You can get rid of the kind of mistake msg . Thanks for your contribution