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void primes(int cap) 
  { 
     int i, j, composite; 
     for(i = 2; i < cap; ++i) { 
 
         composite = 0; 
         for(j = 2; j * j < i; ++j) { 
             composite += !(i % j); 
         } 
 
         if(!composite){ 
             printf("%dt", i); 
         } 
     } 
 } 
 
 
 int main() 
 { 
     primes(100); 
 }
 
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void primes(int cap) 

    int i, j, composite, t = 0; 
  
    while(t < cap * cap) { 
        i = t / cap; 
        j = t++ % cap; 
        if(i <= 1); 
        else if(!j) 
            composite = j; 
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Linux C notes (BOOK UNIX)

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