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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <malloc.h>
#define f(a,b) a##b
#define g(a) #a
#define h(a) g(a)
int main()
{
char a = 'a';
printf("%s\n",g(a)); // a
printf("%s\n",g(g(a))); // g(a)
printf("%s\n", h(f(1,2))); // 12
printf("%s\n", g(f(1,2))); // f(1,2)
printf("%s\n", g(h(f(1,2)))); // h(f(1,2))
printf("%s\n", h(g(f(1,2)))); // "f(1,2)"
printf("%s\n", h(h(f(1,2)))); // "12"
return 0;
}
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gcc, gdb, makefile
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gcc
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#include<stdio.h>
void to_upper(char *str)
{
for(;*str !='\0';str++)
{
if(unsigned(*str-'a')<='z'-'a')
*str-='a'-'A';//Ð ......
2009-07-26 15:50
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gVertex2f().
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wchar_t wsWorkingDir[256] = _T("");
CString strPDF(_T(""));
::GetCurrentDirectory(256, wsWorkingDir);
strPDF.Format(_T("%s"), wsWorkingDir);
if (strPDF.GetAt(strPDF.GetLength()-1) != '\\')
{
strPDF += '\\';
}
strPDF += "doc\\my.pdf" ......