Code:p->sth;p=xxx;if(p==NULL){…MyCOde…}; if(p==NULL) is necessary to check because...
"It is useful to find debugs in my code,especially for debugging the type of nullpoint...
simplified Error Code like this:define point *p;and in the code of if(!p||p->sth),it...
int main(argv,arcgc){int initialArgv;balbala……return &initialArgv} The program ends...
"This was a bit confusing to show me here is a kind of Unconditional Break in loop...