摘要:
传值和传址#include<stdio.h>#include<stdlib.h> void f_test(int *p_v1) { *p_v1 = 200; //传地址 第一种是传值 //在内存里面复制拷贝了一份. } void main() { int l_v1 = 100; f_test(&l_ 阅读全文
摘要:
指针数组二级指针 #include<stdio.h>#include<stdlib.h>#include<string.h>void main() { int l_0 = 100; int *l_v1 = &l_0; int **l_v2 = &l_v1; //二级指针 int ***l_v3 = 阅读全文