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  1. %{
  2.     #include<stdio.h>
  3.     int lc=0, tc=0, sc=0, cc=0;
  4. %}
  5. %%
  6. \n { lc++; }
  7. \t { tc++; }
  8. " " { sc++; }
  9. . { cc++; }
  10. %%
  11. int yywrap() {
  12.     return 1;
  13. }
  14.  
  15. int main() {
  16.     yylex();
  17.     printf("The number of lines is %d\n", lc);
  18.     printf("The number of tabs is %d\n", tc);
  19.     printf("The number of spaces is %d\n", sc);
  20.     printf("The number of characters is %d\n", cc);
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout #stderr 0.03s 6948KB
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stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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ERROR: /home/mPgNJM/prog:2:5: Syntax error: Operator expected
ERROR: /home/mPgNJM/prog:22:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/2YmoKY
language:
Prolog (swi 7.6.4)
created:
5 days ago
visibility:
public

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