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  1. %{
  2.   int v=0,c=0;
  3.   %}
  4.   %%
  5.   [aeiouAEIOU] v++;
  6.   [a-zA-z] c++;
  7. %%
  8. main()
  9. {
  10.   printf("enter input:\n");
  11.   yylex();
  12.   printf("vowels=%d\n consonants=%d\n",v,c);
  13. }
  14. int yywrap()
  15.    { 
  16.   return l;
  17.  }
Success #stdin #stdout #stderr 0.03s 6700KB
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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/XYX74Y/prog:17:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/3jOVG3
language:
Prolog (swi 7.6.4)
created:
2 years ago
visibility:
public

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