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C/C++ Source or Header  |  1991-06-01  |  136 b   |  13 lines  |  [TEXT/MPS ]
  1. #ifndef F_DUPFD
  2. #include <fcntl.h>
  3. #endif
  4.  
  5. int
  6. dup2 (old, new)
  7. int old, new;
  8. {
  9.     (void) close(new);
  10.  
  11.     return fcntl(old, F_DUPFD, new);
  12. }
  13.