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  1. %option noyywrap 
  2. %{ 
  3.     #include<stdio.h>
  4.  
  5. %} 
  6.  
  7. %% 
  8. "hi" {printf("hello\n");} 
  9. .* {printf("try again\n");} 
  10.  
  11. %% 
  12. int main() 
  13. { 
  14.     printf("Enter the input: "); 
  15.     yylex(); 
  16.     return 0; 
  17. }
  18.  
Success #stdin #stdout #stderr 0.02s 7028KB
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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/p2fPlF/prog:17:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/FfULpF
language:
Prolog (swi 7.6.4)
created:
6 days ago
visibility:
public

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