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C/C++ Source or Header  |  1988-04-07  |  334 b   |  25 lines
  1. /* err.c  --  illustrates __FILE__ and __LINE__ in */
  2. /*            tracing a small program              */
  3.  
  4. #define ERR printf("Tracing: \"%s\" line %d\n",\
  5.                     __FILE__, __LINE__);
  6. main()
  7. {
  8.     ERR
  9.     err1();
  10.     ERR
  11.     err2();
  12.     ERR
  13. }
  14.  
  15. err1()
  16. {
  17.     ERR
  18.     err2();
  19. }
  20.  
  21. err2()
  22. {
  23.     ERR
  24. }
  25.