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  1. %{
  2. #include <stdio.h>
  3. int count = 0;
  4. %}
  5.  
  6. %%
  7. .|\n    { count++; }
  8. %%
  9.  
  10. int yywrap() { return 1; }
  11.  
  12. int main() {
  13.     yylex();
  14.     printf("Total number of characters: %d\n", count);
  15.     return 0;
  16. }
  17.  
Success #stdin #stdout #stderr 0.02s 6900KB
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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/QRk29W/prog:16:1: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/rvnjVS
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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