struct stuff &ref = Huqinwei; ref.age = 100; printf("Huqinwei.age is %d\n",Huqinwei.age); printf("ref.age is %d\n",ref.age); struct stuff *ptr = &Huqinwei; ptr->age = 200; printf("Huqinwei.age is %d\n",Huqinwei.age); printf("ptr->age is %d\n",Huqinwei.age); //...
#运算符所执行的操作可以理解为”字符串化“。 当我们有一个变量int a = 10;的时候,我们想打印出:the value of a is 10 . 就可以写: 代码语言:javascript 复制 #definePRINT(n)printf("the value of "#n" is %d",n); 当我们按照下面的方式调用的时候:PRINT(a);//当我们把a替换到宏的体内时,就...
struct stuff &ref = Huqinwei; ref.age = 100; printf("Huqinwei.age is %d ",Huqinwei.age); printf("ref.age is %d ",ref.age); struct stuff *ptr = &Huqinwei; ptr->age = 200; printf("Huqinwei.age is %d ",Huqinwei.age); printf("ptr->age is %d ",Huqinwei.age); //既然都...
#include<stdio.h>structA{int a;char b;float c;};intmain(void){printf("the int is %d\n",sizeof(int));//4printf("the char is %d\n",sizeof(char));//1printf("the float is %d\n",sizeof(float));//4printf("the struct A is %d\n",sizeof(structA));//12return0;} 分析过程...
#define STRUCT_OFFSET(id, element) ((unsignedlong) &((structid*)0)->element) struct _Test { char ch; double dd; }; int main(void) { struct _Test stru; printf("the addrress of first ele of struct is %x\n", &stru.ch);
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is a special kind of guy. We must get together over a delicious grilled salmon and have a few laughs. See you soon, Shalala*/ 9. 指向结构的指针 #include <stdio.h>#defineLEN 20structnames{charfirst[LEN];charlast[LEN]; };structguy{structnames handle;charfavfood[LEN];charjob[LEN];flo...
And to modify a string value, thestrcpy()function is useful again: Example struct myStructure { intmyNum; charmyLetter; charmyString[30]; }; intmain() { // Create a structure variable and assign values to it structmyStructure s1 = {13,'B',"Some text"}; ...
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/* 顺序表数据结构 */ typedef struct seqLst { lElemType *elem; /* 存储空间基址,*elem单元为第1个元素 */ int length; /* 当前长度 */ int listSize; /* 当前分配的存储容量,以sizeof(lElemType)为单位 */ } seqLst, *seqList; /*** 顺序表基本操作(12个) ***/ void initList (seqList ...