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  1. %{
  2. #include <stdio.h>
  3. %}
  4.  
  5. %%
  6. [AEIOUaeiou]        { printf("It is a vowel.\n"); }
  7. [BCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz]   { printf("It is a consonant.\n"); }
  8. [0-9]               { printf("It is a digit.\n"); }
  9. .                   { printf("It is a special symbol.\n"); }
  10. %%
  11.  
  12. int main()
  13. {a
  14.     printf("Enter a character: ");
  15.     yylex();
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout #stderr 0.02s 6872KB
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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/kcg0Px/prog:2:1: Syntax error: Operator expected
ERROR: /home/kcg0Px/prog:17:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/k6IWpk
language:
Prolog (swi 7.6.4)
created:
5 days ago
visibility:
public

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