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  1. %{
  2. 	#include<stdio.h>
  3. 	int vow=0, con=0;
  4. %}
  5.  
  6. %%
  7. [ \t\n]+    ;
  8. [aeiouAEIOU]+    {vow++;}
  9. [^aeiouAEIOU]     {con++;}
  10. %%
  11.  
  12. int main( )
  13. {
  14. 	printf("Enter some input string:\n");
  15. 	yylex();
  16. 	printf("Number of vowels=%d\n",vow);
  17. 	printf("Number of consonants=%d\n",con);
  18. }
  19.  
  20. int yywrap( )
  21. {
  22. 	return 1;
  23. }
Success #stdin #stdout #stderr 0.02s 6820KB
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stdin
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sharfuddinAhmad
stdout
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Standard output is empty
stderr
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ERROR: /home/Rk7VGI/prog:23:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ZfJs14
language:
Prolog (swi 7.6.4)
created:
1 year ago
visibility:
public

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