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  1. %{
  2. 	#include<stdio.h>
  3. 	#include<ctype.h>
  4. 	int char[100];
  5. %}
  6.  
  7. %%
  8. ['if','else','int','for','while','or','and','not']{if('ch in char'){printf('ch is a keyword');}}
  9. else{printf('ch is a identifier');}
  10. %%
  11.  
  12. int main(){
  13. 	printf("enter the word:\n");
  14. 	scanf("%s\n",&char);
  15. 	yylex();
  16. 	return 0;
  17. }
  18.  
  19. int yywrap(){
  20. 	return 1;
  21. }
Success #stdin #stdout #stderr 0.02s 6800KB
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stdin
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stdout
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Standard output is empty
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ERROR: /home/4Cl4OP/prog:21:0: Syntax error: Unexpected end of file
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? ERROR: Can't ignore goal at this port
ERROR: '$runtoplevel'/0: Undefined procedure: program/0
   Exception: (3) program ? EOF: exit
https://ideone.com/4ov21O
language:
Prolog (swi 7.6.4)
created:
4 days ago
visibility:
public

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