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#define WARN_IF(EXP)     \
     do{ if (EXP)     \
             fprintf(stderr, "Warning: " #EXP "\n"); }    \
     while(0)
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WARN_IF (divider == 0);
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do {
     if (divider == 0)
fprintf(stderr, "Warning" "divider == 0" "\n");
} while(0);
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struct command
{
char * name;
void (*function) (void);
};
#define COMMAND(NAME) { NAME, NAME ## _command }
// È»ºóÄã¾ÍÓÃһЩԤÏȶ¨ÒåºÃµÄÃüÁîÀ´·½±ãµÄ³õʼ»¯Ò»¸öcommand½á¹¹µÄÊý×éÁË£º
struct command commands[] = {
COMMAND(quit),
COMMAND(help),
...
}
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#define LINK_MULTIPLE(a,b,c,d) a##_##b##_##c##_##d
typedef struct _record_type LINK_MULTIPLE(name,company,position,salary);
// ÕâÀïÕâ¸öÓï¾ä½«Õ¹¿ªÎª£º
// typedef struct _record_type name_company_position_salary;
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#define myprintf(templt,...) fprintf(stderr,templt,__VA_ARGS__)
// »òÕß
#define myprintf(templt,args...) fprintf(stderr,templt,args)
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gylu@dell-desktop:~$ sudo apt-get install ckermit
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gylu@dell-desktop:~$gedit ~/.kermrc
ÊäÈëÏÂÃæÄÚÈݺ󱣴æ.kermrcÍ˳ö:
   set line            /dev/ttyS0
    set speed    & ......

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/*
* File: main.cpp
* Author: Vicky
*
* Created on 2010Äê5ÔÂ8ÈÕ, ÏÂÎç2:47
*/
#include <iostream>
using namespace std;
class A{
public:
A(){
cout << "Ö´Ðй¹Ô캯Êý´´½¨Ò»¸ö¶ÔÏó" << endl;
}
A(A&){
cout << "Ö´Ðп½±´º¯Êý¿½±´Ò»¸ö¶ ......
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