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  1. #include <stdio.h>
  2.  
  3. enum node_type {LEAF, NODE};
  4.  
  5. struct node {
  6.   enum node_type type;
  7. };
  8.  
  9. int parse_tree( struct node* n ) {
  10.     switch( n->type ) {
  11.     case NODE: return 1;
  12.     case LEAF: return 2;
  13.     }  
  14. }
  15.  
  16. int main() {
  17.   struct node n;
  18.   printf("%d", parse_tree(&n));
  19.   return 0;
  20. }
  21.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.c: In function ‘parse_tree’:
prog.c:14:1: error: control reaches end of non-void function [-Werror=return-type]
 }
 ^
cc1: all warnings being treated as errors
stdout
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Standard output is empty
https://ideone.com/ou71fe
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
public

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