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  1. %{
  2.     #include<stdio.h>
  3.     int vow_count = 0;
  4.     int const_count = 0;
  5. %}
  6.  
  7. %%
  8. [aeiouAEIOU] {vow_count++;}
  9. [a-zA-Z] {const_count++;}
  10. %%
  11.  
  12. int yywrap(){return 1;}
  13.  
  14. int main()
  15. {
  16.  
  17.     printf("Enter a string : ");
  18.  
  19.     yylex();
  20.  
  21.     printf("\n No. of vowels = %d", vow_count);
  22.     printf("\n No. of consonants = %d\n", const_count);
  23.  
  24.     return 0;
  25. }
Success #stdin #stdout #stderr 0.02s 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/U6p0N9/prog:25:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/BsxRew
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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