fork(1) download
copy 
  1. #include <stdio.h>
  2. int main(void)
  3. {
  4. 	enum days{}d;
  5. 	printf("sizeof enum is %u",sizeof(d));
  6. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
copy 
Standard input is empty
compilation info 
prog.c: In function 'main':
prog.c:4:12: error: expected identifier before '}' token
  enum days{}d;
            ^
prog.c:5:36: error: 'd' undeclared (first use in this function)
  printf("sizeof enum is %u",sizeof(d));
                                    ^
prog.c:5:36: note: each undeclared identifier is reported only once for each function it appears in
stdout
copy 
Standard output is empty
https://ideone.com/pkSxOG
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!