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  1. #include <stdio.h>
  2.  
  3. struct List {
  4.     List* next;
  5.     int a;
  6. };
  7.  
  8. int main(void) {
  9. 	List n;
  10.     return n.a;
  11. }
  12.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments ()
stdin
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Standard input is empty
compilation info 
prog.c:4:5: error: unknown type name ‘List’
     List* next;
     ^
prog.c: In function ‘main’:
prog.c:9:2: error: unknown type name ‘List’
  List n;
  ^
prog.c:10:13: error: request for member ‘a’ in something not a structure or union
     return n.a;
             ^
prog.c:9:7: warning: variable ‘n’ set but not used [-Wunused-but-set-variable]
  List n;
       ^
prog.c:11:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
stdout
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Standard output is empty
https://ideone.com/3r9TRy
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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