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  1. %{
  2.   #include<stdio.h>
  3.   %}
  4.  
  5.   %%
  6.   [a,e,i,o,u,A,E,I,O,U]
  7.   {
  8.     printf("%s is a vowel\n",yytext);
  9.   }
  10.   [a-z A-Z]
  11.   {
  12.     printf("%s is a consonant\n",yytext);
  13.   }
  14.   [\t\n]+
  15.   {
  16.     printf("%s is an unk\n",yytext);
  17.   }
  18.   %%
  19.   int main()
  20.   {
  21.     printf("Enter");
  22.     yylex();
  23.     return 0;
  24.   }
  25.   int yywrap()
  26.   {
  27.     return 1;
  28.   }
  29.  
Success #stdin #stdout #stderr 0.03s 6960KB
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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/bYcVRY/prog:29:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/F40kaB
language:
Prolog (swi 7.6.4)
created:
5 days ago
visibility:
public

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