网站免费网站免费陪玩,中铁建设集团有限公司官网,网站开发流程步骤,跳出率 网站介绍 多重指针:一个指针指向另一个指针 离值越近的指针级别越大:一级 内存布局 代码 图示: 多重指针–整型 #includestdio.h #includestring.h //多重指针--整型//二级指针 void two() {printf(二级指针:\n);int a896;int *pa,**ppstdio.h #includestring.h //多重指针--整型//二级指针 void two() {printf(二级指针:\n);int a896;int *pa,**ppp;printf(a%d self-address%p\n,a,a);printf(a%d address%p self-address%p\n,*p,p,p);printf(a%d address%p self-address%p\n,**pp,pp,pp); }//三级指针 void three() {printf(三级指针:\n);int a57877777;int *pa,**ppp,***ppppp;printf(a%d self-address%p\n,a,a);printf(a%d address%p self-address%p\n,*p,p,p);printf(a%d address%p self-address%p\n,**pp,pp,pp);printf(a%d address%p self-address%p\n,***ppp,ppp,ppp); }int main() {two();three();getchar();return 0; }多重指针–字符 #includestdio.h #includestring.h //多重指针--字符//二级指针 void two() {printf(二级指针:\n);char ai;char *pa,**ppp;printf(a%c self-address%p\n,a,a);printf(a%c address%p self-address%p\n,*p,p,p);printf(a%c address%p self-address%p\n,**pp,pp,pp); }//三级指针 void three() {printf(三级指针:\n);char ay;char *pa,**ppp,***ppppp;printf(a%c self-address%p\n,a,a);printf(a%c address%p self-address%p\n,*p,p,p);printf(a%c address%p self-address%p\n,**pp,pp,pp);printf(a%c address%p self-address%p\n,***ppp,ppp,ppp); }int main() {two();three();getchar();return 0; }多重指针–字符串 #includestdio.h #includestring.h //多重指针--字符串//三级指针 void two() {printf(三级指针:\n);char *ahello world;char **pa,***ppp;printf(c%c a%s self-address%p\n,*a,a,a);//char **paa的地址 根本没有存储hello world的地址,不能使用 %s pprintf(a%s address%p self-address%p\n,a,p,p);printf(a%s address%p self-address%p\n,a,pp,pp); }int main() {two();getchar();return 0; }