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C/C++ Source or Header  |  1995-06-18  |  393 b   |  16 lines
  1. #ifndef _VMS_FD
  2. #define _VMS_FD
  3.  
  4. typedef struct fd_set
  5. {
  6.   int fds_bits[1];
  7. } fd_set;
  8.  
  9. #define FD_SETSIZE          (sizeof (fd_set) * 8)
  10. #define FD_SET(f,s)         ((s)->fds_bits[0] |= (1 << (f)))
  11. #define FD_CLR(f,s)         ((s)->fds_bits[0] &= ~(1 << (f)))
  12. #define FD_ISSET(f,s)       ((s)->fds_bits[0] & (1 << (f)))
  13. #define FD_ZERO(s)          ((s)->fds_bits[0] = 0)
  14.  
  15. #endif /* _VMS_FD */
  16.