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C multi line macro: do/while(0) vs scope block

http://docs.google.com/View?docid=ajbgz6fp3pjh_2dwwwwt#_38239340844832237
It is not about optimization.
The whole idea of using 'do/while' version
is to make a macro which will
expand into a regular statement, not into a
compound statement. This is
done in order to make the use of function-s ......

C/C++ÖйØÓÚ±éÀúÎļþ¼ÐµÄ²Ù×÷

#include <windows.h>
#include <stdio.h>
void FindFileInDir(char* rootDir, char* strRet)
{
char fname[256];
ZeroMemory(fname,256);
WIN32_FIND_DATA fd;
ZeroMemory(&fd, sizeof(WIN32_FIND_DATA));
HANDLE hSearch;
char filePathName[256];
char tmpPath[256];
ZeroMemory(filePathNa ......

cº¯Êý: strtok ºÍ strtok_r

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  ÓÃ     ·¨:   char   *strtok(char   *str1,   char   *str2);    
  ³ÌÐòÀý:    
   
&nbs ......

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