#define FOO(aaa, bbb) \
  int a();\
  int a() { return aaa + bbb; }


int make1() {
  return 3;
}
const int make2 = 5;


FOO(make1(), make2);

/*
OUTPUT:
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  "skipped_by_preprocessor": [],
  "usr2func": [{
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      "detailed_name": "int a()",
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      "short_name": "a",
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      "storage": 0,
      "declarations": ["12:1-12:20|0|1|1"],
      "spell": "12:1-12:20|0|1|2",
      "extent": "12:1-12:20|0|1|0",
      "declaring_type": 0,
      "bases": [],
      "derived": [],
      "vars": [],
      "uses": [],
      "callees": ["12:5-12:10|14400399977994209582|3|32"]
    }, {
      "usr": 14400399977994209582,
      "detailed_name": "int make1()",
      "qual_name_offset": 4,
      "short_name": "make1",
      "kind": 12,
      "storage": 0,
      "declarations": [],
      "spell": "6:5-6:10|0|1|2",
      "extent": "6:1-8:2|0|1|0",
      "declaring_type": 0,
      "bases": [],
      "derived": [],
      "vars": [],
      "uses": ["12:5-12:10|9720930732776154610|3|32"],
      "callees": []
    }],
  "usr2type": [{
      "usr": 17,
      "detailed_name": "",
      "qual_name_offset": 0,
      "short_name": "",
      "kind": 0,
      "declarations": [],
      "alias_of": 0,
      "bases": [],
      "derived": [],
      "types": [],
      "funcs": [],
      "vars": [],
      "instances": [2878407290385495202],
      "uses": []
    }],
  "usr2var": [{
      "usr": 2878407290385495202,
      "detailed_name": "const int make2",
      "qual_name_offset": 10,
      "short_name": "make2",
      "hover": "const int make2 = 5",
      "declarations": [],
      "spell": "9:11-9:16|0|1|2",
      "extent": "9:1-9:20|0|1|0",
      "type": 17,
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      "kind": 13,
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    }, {
      "usr": 4261071340275951718,
      "detailed_name": "FOO",
      "qual_name_offset": 0,
      "short_name": "FOO",
      "hover": "#define FOO(aaa, bbb)\n  int a();\n  int a() { return aaa + bbb; }",
      "declarations": [],
      "spell": "1:9-1:12|0|1|2",
      "extent": "1:9-3:32|0|1|0",
      "type": 0,
      "uses": ["12:1-12:4|0|1|4"],
      "kind": 255,
      "storage": 0
    }]
}
*/