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  1. (%{
  2. #include <stdio.h>
  3.  
  4. int a = 10;
  5. %}
  6.  
  7. (%%
  8. 'a' { printf("aa\n"); }
  9. (%%
  10.  
  11. int main() {
  12.     printf("Enter a character: ");
  13.     yylex();  // Corrected function call
  14.     return 0;
  15. }
  16.  
  17. int yywrap() {
  18.     return 1;
  19. }
Success #stdin #stdout #stderr 0.02s 6816KB
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stdin
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a
stdout
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Standard output is empty
stderr
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ERROR: /home/ahaqNs/prog:19:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/ujhBqT
language:
Prolog (swi 7.6.4)
created:
11 days ago
visibility:
public

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