struct datum
{
int jj, mm, tt;
} ;

int main()
{
struct datum v[3] = {{2017, 5, 1}, {2016, 12, 24}, {2017, 1, 1}};
struct datum d = {2015, 11, 11}; FILE *fp =fopen("data.bin", "w");
if ( !fp)
{
return 1;
}
// TODO: In das File schreiben
fclose(fp);
return 0;
}

Welche Funktionsaufrufe sind notwendig um das Array v und die Variable d hintereinander binär in die geöffnete Datei zu speichern?

Question

struct datum
{ 
      int jj, mm, tt; 
 } ;

int main() 
 { 
      struct datum v[3] = {{2017, 5, 1}, {2016, 12, 24}, {2017, 1, 1}}; 
      struct datum d = {2015, 11, 11};      FILE *fp =fopen("data.bin", "w"); 
      if ( !fp) 
      { 
           return 1; 
      } 
      // TODO: In das File schreiben 
      fclose(fp); 
      return 0; 
 }

Welche Funktionsaufrufe sind notwendig um das Array v und die Variable d hintereinander binär in die geöffnete Datei zu speichern?

Answer

fwrite(v, sizeof(struct datum), 3, fp); 
 fwrite(d, sizeof(struct datum), 1, fp);

Answer

fwrite(v, sizeof(struct datum), 3, fp); 
 fwrite(&d, sizeof(struct datum), 1, fp);

Answer

fwrite(v + &d, sizeof(struct datum), 4, fp);

Crowdly

struct datum { int jj, mm, tt; } ; ...

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