10 duplicated lines in:
  - serf.h (622:631, 2%)
  - src/incoming.c (546:555, 2%)

9 duplicated lines in:
  - serf.h (531:539, 2%)
  - src/outgoing.c (1298:1306, 1%)

8 duplicated lines in:
  - serf.h (492:499, 1%)
  - src/outgoing.c (1281:1288, 1%)

7 duplicated lines in:
  - serf.h (722:728, 1%)
  - src/ssltunnel.c (38:44, 5%)

7 duplicated lines in:
  - serf.h (478:484, 1%)
  - src/outgoing.c (1219:1225, <1%)

6 duplicated lines in:
  - serf.h (592:597, 1%)
  - src/deprecated.c (120:125, 7%)

6 duplicated lines in:
  - serf.h (722:727, 1%)
  - src/ssltunnel.c (162:167, 5%)

6 duplicated lines in:
  - serf.h (1497:1502, 1%)
  - src/logging.c (224:229, 3%)

6 duplicated lines in:
  - serf.h (550:555, 1%)
  - src/incoming.c (622:627, 1%)

6 duplicated lines in:
  - serf.h (1497:1502, 1%)
  - src/logging.c (279:284, 3%)