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Text File  |  1995-11-01  |  468 b   |  25 lines
  1. /* copy2.c */
  2.  
  3. #include <stdio.h>
  4. #include <stdlib.h>
  5.  
  6. main(int argc, char *argv[])
  7. {
  8.     char s[BUFSIZ];
  9.  
  10.     /* Open optional input file */
  11.     if (argc > 1)
  12.         if (freopen(argv[1],"r",stdin) == NULL)
  13.             return EXIT_FAILURE;
  14.  
  15.     /* Open optional output file */
  16.     if (argc > 2)
  17.         if (freopen(argv[2],"w",stdout) == NULL)
  18.             return EXIT_FAILURE;
  19.  
  20.     while (gets(s))
  21.         puts(s);
  22.     return EXIT_SUCCESS;
  23. }
  24.  
  25.