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C/C++ Source or Header  |  1994-11-02  |  420 b   |  22 lines
  1. LISTING 5 - A Function that copies a file via block I/O
  2.  
  3. /* copy2.c */
  4. #include <stdio.h>
  5.  
  6. int copy(FILE *dest, FILE *source)
  7. {
  8.     size_t count;
  9.     static char buf[BUFSIZ];
  10.  
  11.     while (!feof(source))
  12.     {
  13.         count = fread(buf,1,BUFSIZ,source);
  14.         if (ferror(source))
  15.             return EOF;
  16.         if (fwrite(buf,1,count,dest) != count)
  17.             return EOF;
  18.     }
  19.     return 0;
  20. }
  21.  
  22.