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  1. %{
  2.   #include <stdio.h>
  3.   int vowels=0,consonats=0;
  4. %}
  5.  
  6. %%
  7. [ \n\t]     ;\\do nothing
  8. [aeiouAEIOU]+    {vowels++}
  9. [^aeiouAEIOU]+  {consonats++}
  10. %%
  11. int main()
  12. {
  13.   printf("enter the string");
  14.   yylex;
  15.   printf("number of vowels are%d",voewls);
  16.   printf("number of consonants are %d",consonats);
  17. }
  18. int yywrap(){
  19.   return 1;
  20. }
  21.  
Success #stdin #stdout #stderr 0.03s 6912KB
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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/TO2LTv/prog:20:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/7thjz4
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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