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Six BS HelloWorld from C World

#define _________ } 
#define ________ putchar
#define _______ main 
#define _(a) ________(a); 
#define ______ _______(){ 
#define __ ______ _(0x48)_(0x65)_(0x6C)_(0x6C) 
#define ___ _(0x6F)_(0x2C)_(0x20)_(0x77)_(0x6F) 
#define ____ _(0x72)_(0x6C)_(0x64)_(0x21) 
#define _____ __ ___ ____ _________ 
#include<stdio.h> 
#include<stdio.h> 
main(){ 
  int x=0,y[14],*z=&y;*(z++)=0x48;*(z++)=y[x++]+0x1D; 
  *(z++)=y[x++]+0x07;*(z++)=y[x++]+0x00;*(z++)=y[x++]+0x03; 
  *(z++)=y[x++]-0x43;*(z++)=y[x++]-0x0C;*(z++)=y[x++]+0x57; 
  *(z++)=y[x++]-0x08;*(z++)=y[x++]+0x03;*(z++)=y[x++]-0x06; 
  *(z++)=y[x++]-0x08;*(z++)=y[x++]-0x43;*(z++)=y[x]-0x21; 
  x=*(--z);while(y[x]!=NULL)putchar(y[x++]); 
}
£¨VS2003±àÒëͨ¹ý£©
#include<stdio.h> 
#define __(a) goto a; 
#define ___(a) putchar(a); 
#define _(a,b) ___(a) __(b); 
main() 
{ _:__(t)a:_('r',g)b:_('$',p) 
  c:_('l',f)d:_(' ',s)e:_('a',s) 
  f:_('o',q)g:_('l',h)h:_('d',n) 
  i:_('e',w)j:_('e',x)k:_('\n',z) 
  l:_('H',l)m:_('X',i)n:_('!',k) 
  o:_('z',q)p:_('q',b)q:_(',',d) 
  r:_('i',l)s:_('w',v)t:_('H',j) 
  u:_('a',a)v:_('o',a)w:_(')',k) 
  x:_('l',c)y:_('\t',g)z:___(0x0)}
int n[]={0x48, 
0x65,0x6C,0x6C, 
0x6F,0x2C,0x20, 
0x77,0x6F,0x72, 
0x6C,0x64,0x21, 
0x0A,0x00},*m=n; 
main(n){putchar
(*m)!='\0'?main 
(m++):exit(n++);}
£¨VS2003±àÒëͨ¹ý£©
main(){int i,n[]={(((1<<1)<<(1<<1)<<(1<< 
1)<<(1<<(1>>1)))+((1<<1)<<(1<<1))), (((1 
<<1)<<(1<<1)<<(1<<1)<<(1<<1))-((1<<1)<<( 
1<<1)<<(1<<1))+((1<<1)<<(1<<(1>>1


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  a) const Type var;
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Linux C notes (BOOK UNIX)

Chapter 1: Thread
¢Ù thread functions
1. pthread_self();
2. thread existing
    you can get the value of rval_ptr just by  pthread_join(pthread_t tht, void ** rval_ptr)
    cancel a thread as the thread exits with PTHREAD_CANCELED in pthread_exit, this functio ......

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