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enum {false,true};
int main()
{
int i=1;
do
{
printf("%d\n",i);
i++;
if(i < 15)
continue;
}while(false);
return 0;
}
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#include
#define f(a,b) a##b
#define g(a) #a
#define h(a) g(a)
int main()
{
printf("%s\n",h(f(1,2)));
printf("%s\n",g(f(1,2)));
return 0;
}
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#include
void OS_Solaris_print()
{
printf("Solaris - Sun Microsystems\n");
}
void OS_Windows_print()
{
printf("Windows - Microsoft\n");
}
void OS_HP-UX_print()
{
printf("HP-UX - Hewlett Packard\n");
}
int main()
{
int num;
printf("Enter the number (1-3):\n");
scanf("%d",&num);
switch(num)
{
case 1:
OS_Solaris_print();
break;
case 2:
OS_Windows_print();
break;
case 3:
OS_HP-UX_print();
break;
default:
printf("Hmm! only 1-3 :-)\n");
break;
}
return 0;
}
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#include
int main()
{
int a=10;
switch(a)
{
case '1':
printf("ONE\n");
break;
case '2':
printf("TWO\n");
break;
defa1ut:
printf("NONE\n&quo


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//ÒÔϳÌÐòÊÇʵÏÖСдת´óд³ÌÐò
#include<stdio.h>
void to_upper(char *str)
{
    for(;*str !='\0';str++)
    {
        if(unsigned(*str-'a')<='z'-'a')
            *str-='a'-'A';//Ð ......

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2.define Ö»×ö¼òµ¥µÄÌæ»»£¬²»×öÀàÐͰ²È«¼ì²é
3.ʹÓò»µ±»áÒýÆðºÜ¶àÎÊÌâ
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1.¼òµ¥µÄºê¶¨Òå
#define  MAX 1024
2.ºê¶¨Ò幦ÄÜ¿é
#define MAX(a,b) ( ......

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char a[10]=“hello”;
sizeof(a);//Êý×éÃû×ö×óÖµ£¬¾ßÓÐÊý×éÃûµÄÊôÐÔ£¬ÊÇÒ»¸öÖ¸ÏòÊý×éÊ×µØÖ·µÄ³£Á¿Ö¸Õë
strcpy(a,"abc");//Êý×éÃû×öÓÒÖµ£¬ÍË»¯ÎªÆÕͨµÄÖ¸Õë
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C/C++ ´ò¿ªPDFÎĵµ

 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" ......
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