C語言指針-字元指針&整型指針

案例代碼

#include<stdio.h>
#include<stdlib.h> 
#include<string.h>
int main()
{
	//字元指針
	char *pstr="good dog ww";
	printf("字元指針指向的字元串内容:%s\n",pstr);
	printf("字元指針本身的位址:%p\n",&pstr);
	printf("字元指針指向的位址:%p\n",pstr);
	printf("字元串常量的位址:%p\n","good dog ww");


	printf("======================================\n");
	//字元數組
	char c[]="hello";
	printf("字元數組内容:%s\n",c);
	printf("字元數組位址:%p\n",c);
	printf("字元數組位址:%p\n",&c);
	printf("hello字元串常量的位址:%p\n","hello");

	printf("..........................\n");
	char *s="abcstring";
	printf("s的内容:%s\n",s);
	printf("s本身的位址:%p\n",&s);
	printf("s指向的位址:%p\n",s);
	printf("abcstring字元串常量的位址:%p\n","abcstring");

	printf("...........................\n");
	s="hello";
	printf("s的内容:%s\n",s);
	printf("s本身的位址:%p\n",&s);
	printf("s指向的位址:%p\n",s);



	printf("======================================\n");
	//整型指針
	int a=1;
	
	printf("a的值:%d\n",a);
	printf("a的位址:%p\n",&a);
	printf("...........................\n");
	int* b=&a;
	printf("b的位址:%p\n",&b);
	printf("b指向的位址:%p\n",b);
	printf("b指向的内容:%d\n",*b);
	
	getchar();
	return 0;
	
}


           

輸出:
字元指針指向的字元串内容:good dog ww
字元指針本身的位址:0057FA7C
字元指針指向的位址:00EB5938
字元串常量的位址:00EB5938
======================================
字元數組内容:hello
字元數組位址:0057FA6C
字元數組位址:0057FA6C
hello字元串常量的位址:00EB5888
..........................
s的内容:abcstring
s本身的位址:0057FA60
s指向的位址:00EB5810
abcstring字元串常量的位址:00EB5810
...........................
s的内容:hello
s本身的位址:0057FA60
s指向的位址:00EB5888
======================================
a的值:1
a的位址:0057FA54
...........................
b的位址:0057FA48
b指向的位址:0057FA54
b指向的内容:1

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