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  1. %{
  2. #include <stdio.h>
  3. %}
  4. %%
  5. [a-z] { printf("%c", yytext[0] - 32); }
  6. . {printf("%c",yytext[0]);}
  7. \n { printf("\n"); }
  8. %%
  9. int yywrap() {
  10.     return 1;
  11. }
  12. int main() {
  13.     printf("Enter text (Ctrl+D to end input):\n");
  14.     yylex();
  15.     return 0;
  16. }
Success #stdin #stdout #stderr 0.02s 6944KB
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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/654xDB/prog:2:1: Syntax error: Operator expected
ERROR: /home/654xDB/prog:16:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/gi4qVd
language:
Prolog (swi 7.6.4)
created:
1 day ago
visibility:
public

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