#include<stdio.h>#include<stdarg.h>int main(){	/*字符数组存储于动态内存中，可以进行赋值操作*/	char message[]={‘h‘,‘e‘,‘l‘,‘l‘,‘\0‘};	message[2]=‘a‘;	printf("%s\n",message);		/*指向字符数组的指针也可以对内存进行操作*/	char *p=message;	p[1]=‘n‘;	printf("%s\n",p);	/*常量字符串存储于静态内存中，不能进行赋值操作*/	char *p2="abcdef";	printf("%s\n",p2);//可以记性读取	//p2[1]=‘n‘;//但是不能进行赋值操作	printf("%s\n",p2);	return 0;}

//一个字符串常量只有一块内存区域？？#include<iostream>using namespace std;void main(void){	if("join"=="join")		cout<<"equal\n";	else cout<<"not equal\n"; //equal	char* str1="good";	char* str2="good";	if(str1==str2)		cout<<"equal\n";	else cout<<"not equal\n";  //equal	char buf1[]="hello";	char buf2[]="hello";	if(buf1==buf2)		cout<<"equal\n";	else cout<<"not equal\n";  //not equal	}

//指针与数组及字符串等的关系.cpp  #include<iostream.h>char* c[]={"You can make statement","for the topic","The sentences","How about"};char* *p[]={c+3,c+2,c+1,c};char***pp=p;void main(void){		cout<<**++pp<<endl;           //(1)The sentences	cout<< * --* ++pp+3 <<endl;   //(2) can make statements	cout<<*pp[-2]+3<<endl;       //(3) about	cout<<pp[-1][-1]+3<<endl;    //(4) the topic}/*  (1) **++pp等价于**(++pp),运算后pp指针指向p[1],而p[1]指针指向c[2],c[2]指向字符串“The sentences”(2)++pp后,pp指针指向p[2],--(*(++pp))指向c[0],c[0]指向字符串“You can make statements”.pp还是指向原来的p[2].(3)pp[-2]等价于*(pp-2),pp[-2]指向c[3].pp还是指向p[2].(4)pp[-1]指向c[2],pp[-1][-1]等价于*(pp[-1]-1),pp[-1]-1指向c[1],c[1]指向字符串“for the topic”*/