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  1. #include <stdio.h>
  2.  
  3. void f(size_t n, const char a[][n], char *x, int i)
  4. {
  5.    struct {char m[n];} *f = (void*)a[i], *t = (void*)x;
  6.    *t = *f;
  7. }
  8.  
  9. enum {N=20};
  10. int main()
  11. {
  12.    char a[][N]={"null","eins","zwei","drei"};
  13.    char x0[N]="",x1[N]="",x2[N]="",x3[N]="";
  14.    puts("=====");
  15.    puts(x0);
  16.    puts(x1);
  17.    puts(x2);
  18.    puts(x3);
  19.    puts("=====");
  20.  
  21.    f(N,a,x1,1);
  22.    f(N,a,x2,2);
  23.  
  24.    puts(x0);
  25.    puts(x1);
  26.    puts(x2);
  27.    puts(x3);
  28.    puts("=====");
  29.  
  30.    return 0;
  31. }
  32.  
Success #stdin #stdout 0s 4360KB
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Standard input is empty
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=====




=====

eins
zwei

=====
https://ideone.com/ejJzaE
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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