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1) goto
goto Ö»ÄÜÔÚÒ»¸öº¯ÊýÄÚÌø×ª¡£½¨ÒéÉÙÓã¬Ê¹µÃ³ÌÐòά»¤ÆðÀ´ÈÝÒ׳ö´í£»µ«ÊÇ£¬ÔÚÓжà¸öÑ»·Çé¿öÏÂÌø×ª£¬ÓÐʱÓÃgoto¿ÉÒÔʹµÃÎÊÌâ±äµÃ¼òµ¥¡£
class A
{
public:
A(){}
~A(){}
};
int main()
{
{
A a;
goto Label1;
}
Label1:
cout<<”end”<<endl;
return 0;
}
2) setjmp/longjmp
·Ç¾Ö²¿ÓòÌø×ª(nonlocal goto)£¬¿ÉÓÃÓÚÔÚ²»Í¬º¯ÊýÄÚÌø×ª£¬²½ÖèÈçÏ£º
l include <setjmp.h>
l jmp_buf JumpBuffer
//Ìø×ªµÄλÖýṹ
l setjmp(JumpBuffer)
±£´æµ±Ç°µÄλÖ㬽«À´Ìø×ªµ½ÕâÀï
l longjmp(JumpBuffer, ÕûÊý)
jmp_buffer jmpbuf;
void Func()
{
cout << “ get in “ <<endl;
A a;
longjmp(jmpbuf, 1);
cout << “ never get here “<<endl;
}
int main()
{
cout << “ get in main “ <<endl
if( setjmp (jmpbuf ) == 0 )
{
cout<<”set lable”<<endl;
Func();
}
else
{
cout<<” jmp to here”<<endl;
}
}
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http://topic.csdn.net/u/20100524/14/0eff992a-2849-4db6-bdaa-d4a200e79b7c.html
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¡¡¡¡Ïà¹Øº¯Êý stat£¬open£¬chmod£¬chown£¬setuid£¬setgid
¡¡¡¡±íÍ·Îļþ #include<unistd.h>
¡¡¡¡¶¨Ò庯Êý int access(const char * pathname,int mode);
¡¡¡¡º¯Êý˵Ã÷ access()»á¼ì²éÊÇ·ñ¿ÉÒÔ¶Á/дijһÒÑ´æÔÚµÄÎļþ¡£²ÎÊýmodeÓм¸ÖÖÇé¿ö×éºÏ£¬R_OK ......
http://uncrustify.sourceforge.net/
Ident code, aligning on parens, assignments, etc
Align on '=' and variable definitions
Align structure initializers
Align #define stuff
Align backslash-newline stuff
Reformat comments (a little bit)
Fix inter-character spacing
Add or remove parens on return ......
Technorati ±êÇ©: C++ ÔÎĵØÖ·£ºhttp://www.byvoid.com/blog/c-int64/ ÔÚC/C++ÖУ¬64ΪÕûÐÍÒ»Ö±ÊÇÒ»ÖÖûÓÐÈ·¶¨¹æ·¶µÄÊý¾ÝÀàÐÍ¡£ÏÖ½ñÖ÷Á÷µÄ±àÒëÆ÷ÖУ¬¶Ô64ΪÕûÐ͵ÄÖ§³ÖÒ²ÊDZê×¼²»Ò»£¬ÐÎ̬¸÷Òì¡£Ò»°ãÀ´Ëµ£¬64λÕûÐ͵͍Ò巽ʽÓÐlong longºÍ__int64Á½ÖÖ(VC»¹Ö§³Ö_int64)£¬¶øÊä³öµ½±ê×¼Êä³ö·½Ê½ÓÐprintf(¡°%lld¡±,a)£¬printf ......
#include<stdio.h>
#define N 8
void input(int n,int p[N][N])
{
int i,j;
for(i=0;i<n;i++)
{
printf("please input the %d line:\n",i+1);
for(j=0;j<n;j++)
{
scanf("%d",&p[i][j]);
}
}
}
void output(int n,int p[N][N])
......