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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4.  
  5. int main(void){
  6.     FILE *in;
  7.     FILE *out;
  8.     unsigned int BLOCK_SIZE = 3;
  9.     unsigned int block[BLOCK_SIZE];
  10.  
  11.     in = fopen("input.txt", "rt");
  12.     if(in == NULL){ fputs("File error", stderr); return 1; }
  13.  
  14.     out = fopen("output.txt", "wt");
  15.     if(out == NULL){ fputs("File error", stderr); return 1; }
  16.  
  17.     while(!feof(in)){
  18.                     memset(block, 0, sizeof(block));     //Îáíóëÿåì áëîê
  19.                     int i = 0;
  20.                     fread(block, sizeof(block), BLOCK_SIZE, in);
  21.                     //Âûâîäèì áëîê â ôàéë out
  22.                     fwrite(block, sizeof(block), BLOCK_SIZE, out);
  23.     }
  24.  
  25.     fclose(in);
  26.     fclose(out);
  27. }
Runtime error #stdin #stdout #stderr 0s 3224KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
File error
https://ideone.com/iXBp8D
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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