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  1. %{
  2.   #include<stdio.h>
  3.   int lines=0;
  4.   int words=0;
  5.   int chars=0;
  6. %}
  7.  
  8. %%
  9. \n {lines++; chars++; }
  10. [ \t]+ {chars += yyleng; }
  11. [^ \t\n]+ {words++; chars += yyleng; } 
  12. %%
  13. int yywrap(){
  14.   return 1;
  15. }
  16. int main(){
  17.   printf("Type a string: \n");
  18.   yylex();
  19.   printf("no. of words=%d\n",words);
  20.   printf("no. of character=%d\n", chars);
  21.   printf("no. of lines=%d\n", lines);
  22.   return 0;
  23. }
Success #stdin #stdout #stderr 0.03s 6988KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
ERROR: /home/DPmfU3/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/irCyAm
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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