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  1. %{
  2.   #include <stdio.h>
  3.   int lc=0,sc=0,wc=0,ch=0;
  4. %}
  5. %%
  6. [\n]{lc++;ch+=yyleng;}
  7. [\t]{sc++;ch+=yyleng;}
  8. [^\t\n]{wc++;ch+=yyleng;}
  9. %%
  10. int yywrap(){};
  11. int main()
  12. {
  13.   printf("give any sentence");
  14.   yylex();
  15.   printf("no of lines :%d\n",lc);
  16.   printf("no of lines :%d\n",wc);
  17.   printf("no of lines :%d\n",sc);
  18.   printf("no of lines :%d\n",ch);
  19.   yylex();
  20.   return 0;
  21. }
  22.  
Success #stdin #stdout #stderr 0.03s 6968KB
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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/t6FrGz/prog:21:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/zrr5ep
language:
Prolog (swi 7.6.4)
created:
87 days ago
visibility:
public

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