指针，结构体，函数调用章节的课后答案以及注意问题-After-school answer to the pointer, structure, function call section, and attention problems

IOCCC2013获奖作品,作者是中国程序员hou。IOCCC是国际C语言混乱代码大赛，每年举办一次。改代码实现的是语法高亮器功能，被评为2013最有用混乱代码.-IOCCC2013 winning author is Chinese programmers hou. IOCCC C language confusion is the international code for the contest, held once a year. Change the code is syntax h