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  1. /* DESCRIPTION/DEFINITION SECTION */
  2. %{
  3. #include<stdio.h>
  4. int lc=0,sc=0,tc=0,ch=0,wc=0; // GLOBAL VARIABLES
  5. %}
  6.  
  7. // RULE SECTION
  8. %%
  9. [\n] { lc++; ch+=yyleng;}
  10. [ \t] { sc++; ch+=yyleng;}
  11. [^\t] { tc++; ch+=yyleng;}
  12. [^\t\n ]+ { wc++; ch+=yyleng;}
  13. %%
  14.  
  15. int yywrap(){ return 1; }
  16. /* After inputting press ctrl+d */
  17.  
  18. // MAIN FUNCTION
  19. int main(){
  20. printf("Enter the Sentence : ");
  21. yylex();
  22. printf("Number of lines : %d\n",lc);
  23. printf("Number of spaces : %d\n",sc);
  24. printf("Number of tabs, words, charc : %d , %d , %d\n",tc,wc,ch);
  25.  
  26. return 0;
  27. }
  28.  
Success #stdin #stdout #stderr 0.02s 6876KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
ERROR: /home/BDVRwd/prog:27:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit