Ö¸Õë±äÁ¿µÄ¶¨ÒåºÍ³õʼ»¯[c][code]
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http://hi.baidu.com/pepsi360/blog/item/cc74be4412cf6789b3b7dcd4.html
#include <stdio.h>
struct Node
{
int a;
char b[10];
Node *next;
};
main(void)
{
char *p=NULL; //"define NULL 0" included in <stdio.h>
int *q=0; //Öµ0ÊÇΨһÄܹ»Ö±½Ó¸³¸øÖ¸Õë±äÁ¿µÄÕûÊýÖµ
double *d;
Node *pNode=NULL;
d=NULL;
return 0;
}
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step1. ÔËÐÐÍêÓï¾äNode *pNode=NULL;ºó£º
Name Value
+ &p 0x0012ff7c ""
+ &q 0x0012ff78 ""
+ &d 0x0012ff74 ""
+ &pNode 0x0012ff70 ""
Memory:
0012FF66 CC CC CC CC CC CC CC CC CC CC 00 ÌÌÌÌÌÌÌÌÌÌ.
0012FF71 00 00 00 CC CC CC CC 00 00 00 00 ...ÌÌÌÌ....
0012FF7C 00 00 00 00 C0 FF 12 00 39 11 40 ........9.@
step2. ÔËÐÐÍêÓï¾äd=NULL;ºó£º
Name Value
+ &p 0x0012ff7c ""
+ &q 0x0012ff78 ""
+ &d 0x0012ff74 ""
+ &pNode 0x0012ff70 ""
Memory:
0012FF66 CC CC CC CC CC CC CC CC CC CC 00 ÌÌÌÌÌÌÌÌÌÌ.
0012FF71 00 00 00 00 00 00 00 00 00 00 00 ...ÌÌÌÌ....
0012FF7C 00 00 00 00 C0 FF 12 00 39 11 40 ........9.@
ÔÚTurbo CÖеĴúÂëÈçÏ£º
#include <stdio.h>
struct Node
{
int a;
char b[10];
struct Node *next; /* struct²»ÄÜÉÙ */
};
main(void)
{
char *p=NULL; /* "define NULL 0" included in <stdio.h> */
int *q=0;
&
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[C/C++ Digestion] – Rule of Three,
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Jason Lee @
http://blog.csdn.net/jasonblog
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2010-04-13
[1]
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copy constructor
Rule of Three
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. ±àÒëµ¥Ôª(Ä£¿é)£º
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ÔÚcÖÐenumµÄʹÓúÍstructºÜÏñ
enum name{
a,b,c
};
struct name{
int a;
int b;
char c;
};
or
typedef struct{
int a;
int b;
char c;
}Name;
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enum name n1,n2,n3;
n1=a;
n2=b;
n3=enum name(3-1);
struct name sn1,sn2;
s ......