extern int global;
/*
OUTPUT:
{
  "vars": [{
      "id": 0,
      "usr": "c:@global",
      "short_name": "global",
      "detailed_name": "int global",
      "declaration": "1:12-1:18",
      "is_local": false,
      "uses": ["1:12-1:18"]
    }]
}
*/