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C/C++ Source or Header  |  1990-06-09  |  257b  |  16 lines
  1. /* Copyright 1990 Frank J. Edwards                */
  2. /* All rights reserved.                            */
  3.  
  4. #ifndef __UNCTRL_H
  5. #define __UNCTRL_H
  6.  
  7. extern char *_unctrl[];
  8.  
  9. char *unctrl(int ch);
  10.  
  11. #ifdef __C_MACROS__
  12. #define unctrl(x)    _unctrl[((x)+1) & 0x1FF]
  13. #endif
  14.  
  15. #endif /* __UNCTRL_H */
  16.