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key.h

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Feb 3rd, 2017
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  1. //-------------------------------------------------------------------------
  2. //
  3. // The MIT License (MIT)
  4. //
  5. // Copyright (c) 2013 Andrew Duncan
  6. //
  7. // Permission is hereby granted, free of charge, to any person obtaining a
  8. // copy of this software and associated documentation files (the
  9. // "Software"), to deal in the Software without restriction, including
  10. // without limitation the rights to use, copy, modify, merge, publish,
  11. // distribute, sublicense, and/or sell copies of the Software, and to
  12. // permit persons to whom the Software is furnished to do so, subject to
  13. // the following conditions:
  14. //
  15. // The above copyright notice and this permission notice shall be included
  16. // in all copies or substantial portions of the Software.
  17. //
  18. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19. // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20. // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
  22. // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23. // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24. // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25. //
  26. //-------------------------------------------------------------------------
  27.  
  28. #ifndef KEY_H
  29. #define KEY_H
  30.  
  31. //-------------------------------------------------------------------------
  32.  
  33. #include <stdbool.h>
  34.  
  35. //-------------------------------------------------------------------------
  36.  
  37. // The keyPressed function is a non-blocking function that returns true if
  38. // a character has been read from stdin. If the character argument is not
  39. // NULL, the character read is returned. NOTE when function keys, arrow keys
  40. // etc are pressed the function will return true, but the character argument
  41. // will not be set.
  42. bool keyPressed(int *character);
  43.  
  44. // The keyboardReset function puts the stdin stream back to the way it was
  45. // found when the program started.
  46. void keyboardReset(void);
  47.  
  48. //-------------------------------------------------------------------------
  49.  
  50. #endif
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