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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.     if (__STDC_VERSION__ >= 202311L)
  6.         printf("We are using C23!\n");
  7.     else if (__STDC_VERSION__ >= 201710L)
  8.         printf("We are using C17!\n");
  9.     else if (__STDC_VERSION__ >= 201112L)
  10.         printf("We are using C11!\n");
  11.     else if (__STDC_VERSION__ >= 199901L)
  12.         printf("We are using C99!\n");
  13.     else
  14.         printf("We are using C89/C90!\n");
  15.  
  16.     return 0;
  17. }
Success #stdin #stdout 0s 5284KB
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We are using C11!
https://ideone.com/CDdoST
language:
C (gcc 8.3)
created:
11 days ago
visibility:
public

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