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  1. %{
  2. #include <stdio.h>
  3.  
  4. int v = 0, c = 0;
  5.  
  6. %}
  7.  
  8. %%
  9.  
  10. [aeiouAEIOU]   v++;  // Increment vowel count
  11. [a-zA-Z]       c++;  // Increment consonant count
  12.  
  13. %%
  14.  
  15. int main()  
  16. {
  17.     printf("ENTER INPUT : ");
  18.     yylex();  // Start lexical analysis
  19.     printf("VOWELS=%d\nCONSONANTS=%d\n", v, c);
  20.  
  21.     return 0;
  22. }
  23.  
  24. // Define yywrap function to avoid compiler errors
  25. int yywrap() {
  26.     return 1;
  27. }
  28.  
Success #stdin #stdout #stderr 0.02s 6880KB
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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/BB7wtm/prog:27:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/hi6O7T
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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