void called() {} void caller() { auto x = &called; x(); called(); } /* OUTPUT: { "includes": [], "skipped_by_preprocessor": [], "usr2func": [{ "usr": 468307235068920063, "detailed_name": "void called()", "qual_name_offset": 5, "short_name": "called", "kind": 12, "storage": 1, "declarations": [], "spell": "1:6-1:12|0|1|2", "extent": "1:1-1:17|0|1|0", "declaring_type": 0, "bases": [], "derived": [], "vars": [], "uses": ["4:13-4:19|11404881820527069090|3|32", "7:3-7:9|11404881820527069090|3|32"], "callees": [] }, { "usr": 11404881820527069090, "detailed_name": "void caller()", "qual_name_offset": 5, "short_name": "caller", "kind": 12, "storage": 1, "declarations": [], "spell": "3:6-3:12|0|1|2", "extent": "3:1-8:2|0|1|0", "declaring_type": 0, "bases": [], "derived": [], "vars": [9121974011454213596], "uses": [], "callees": ["4:13-4:19|468307235068920063|3|32", "4:13-4:19|468307235068920063|3|32", "7:3-7:9|468307235068920063|3|32"] }], "usr2type": [], "usr2var": [{ "usr": 9121974011454213596, "detailed_name": "void (*)() x", "qual_name_offset": 11, "short_name": "x", "declarations": [], "spell": "4:8-4:9|11404881820527069090|3|2", "extent": "4:3-4:19|11404881820527069090|3|0", "type": 0, "uses": ["5:3-5:4|11404881820527069090|3|4"], "kind": 13, "storage": 1 }] } */